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#planetology

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IRAP<p>[Focus on the <a href="https://astrodon.social/tags/EnVision" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EnVision</span></a> mission] Why have <a href="https://astrodon.social/tags/Venus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Venus</span></a> and Earth evolved so differently? This is the question to be answered by the EnVision <a href="https://astrodon.social/tags/SpaceMission" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SpaceMission</span></a> of the European Space Agency - ESA, scheduled for launch in 2031. </p><p>To this end, the European <a href="https://astrodon.social/tags/probe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>probe</span></a> will carry several instruments - including an imaging <a href="https://astrodon.social/tags/spectrometer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spectrometer</span></a>, to which IRAP staff are contributing. Observations will be made in the UV and IR domains, in order to monitor temporal variations in <a href="https://astrodon.social/tags/surface" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>surface</span></a> temperature and gas concentrations within the <a href="https://astrodon.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>atmosphere</span></a> - and thus gain a better understanding of interactions between the Venusian atmosphere and surface. </p><p>Info+: <a href="https://www.irap.omp.eu/event/the-envision-venus-mission/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">irap.omp.eu/event/the-envision</span><span class="invisible">-venus-mission/</span></a></p><p><a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://astrodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://astrodon.social/tags/spacemission" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spacemission</span></a></p>
IRAP<p>[Under the Martian <a href="https://astrodon.social/tags/tropics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tropics</span></a> ...] There was a time when <a href="https://astrodon.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>water</span></a> abounded and shaped the Martian <a href="https://astrodon.social/tags/landscapes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>landscapes</span></a>. This is evidenced by several fragments of clear, alumina-rich <a href="https://astrodon.social/tags/rocks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rocks</span></a> recently analyzed by the instruments of the <a href="https://astrodon.social/tags/Perseverance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Perseverance</span></a> rover ...</p><p>These rocks contain minerals such as <a href="https://astrodon.social/tags/kaolinite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>kaolinite</span></a>, one of the markers of a once habitable environment. Infos+ : <a href="https://www.irap.omp.eu/en/2025/02/could-mars-have-had-a-tropical-climate-in-the-past/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">irap.omp.eu/en/2025/02/could-m</span><span class="invisible">ars-have-had-a-tropical-climate-in-the-past/</span></a></p><p><a href="https://astrodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://astrodon.social/tags/Mars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mars</span></a> <a href="https://astrodon.social/tags/mars2020" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mars2020</span></a></p>
IRAP<p>[Assistance gravitationnelle] Ce 18 février, la sonde <a href="https://astrodon.social/tags/SolarOrbiter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SolarOrbiter</span></a> de l'ESA s'approchera de la surface de <a href="https://astrodon.social/tags/V%C3%A9nus" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Vénus</span></a>, utilisant son champ de <a href="https://astrodon.social/tags/gravit%C3%A9" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gravité</span></a> afin de modifier sa trajectoire. Objectif : pointer ses <a href="https://astrodon.social/tags/instruments" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>instruments</span></a> en direction des régions polaires du <a href="https://astrodon.social/tags/Soleil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Soleil</span></a>.</p><p>Depuis cette <a href="https://astrodon.social/tags/orbite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>orbite</span></a>, la sonde collectera de nouvelles données inédites qui permettront d'affiner notre compréhension de l'activité solaire. Info+ : <a href="https://www.esa.int/Enabling_Support/Operations/Solar_Orbiter_ready_for_close_encounter_with_Venus" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">esa.int/Enabling_Support/Opera</span><span class="invisible">tions/Solar_Orbiter_ready_for_close_encounter_with_Venus</span></a></p><p><a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://astrodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://astrodon.social/tags/solarsystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>solarsystem</span></a></p>
IRAP<p>[Moon formation scenari] After detailed 3D simulations and isotopic analysis of terrestrial and lunar rocks have swept aside the hypothesis of a collision between our proto-Earth and a planet called Theia, which scenario should be favored?</p><p>That's the topic on which Erik Asphaug, planetary scientist at the University of Arizona, will be speaking to the IRAPians this Tuesday afternoon: <a href="https://www.irap.omp.eu/event/if-at-first-you-dont-succeed-moon-formation-in-a-collision-chain/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">irap.omp.eu/event/if-at-first-</span><span class="invisible">you-dont-succeed-moon-formation-in-a-collision-chain/</span></a> Great discussions ahead 💬 👋 </p><p><a href="https://astrodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://astrodon.social/tags/Moon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Moon</span></a> <a href="https://astrodon.social/tags/MoonFormation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MoonFormation</span></a></p>
IRAP<p>[<a href="https://astrodon.social/tags/Perseverance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Perseverance</span></a> : un rover au top !] Après plusieurs semaines d'ascension, Perseverance est arrivé au sommet du cratère <a href="https://astrodon.social/tags/Jezero" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Jezero</span></a>. Là se trouvent des <a href="https://astrodon.social/tags/roches" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>roches</span></a> de la croûte martienne primitive - parmi les plus anciennes de notre <a href="https://astrodon.social/tags/Syst%C3%A8meSolaire" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SystèmeSolaire</span></a>, éjectées lors de l'impact. Une nouvelle aventure scientifique commence donc pour les équipes impliquées : <a href="https://www.nasa.gov/missions/mars-2020-perseverance/perseverance-rover/nasas-perseverance-rover-reaches-top-of-jezero-crater-rim/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nasa.gov/missions/mars-2020-pe</span><span class="invisible">rseverance/perseverance-rover/nasas-perseverance-rover-reaches-top-of-jezero-crater-rim/</span></a></p><p>Notre fil d'actus reprendra en tout début d'année 2025. <br>D'ici là, joyeuses fêtes à tous et toutes 😉 🎉 🥂<br>... et merci de votre fidélité ! 👍 </p><p>⬇️ Perseverance on top of Jezero crater (Credit: NASA/JPL-Caltech/Simeon Schmauß)</p><p><a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://astrodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://astrodon.social/tags/Mars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mars</span></a> <a href="https://astrodon.social/tags/Perseverance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Perseverance</span></a></p>
Matt Willemsen<p>Space Rock That Fell to Earth Reveals Ancient Traces of Early Solar System<br><a href="https://www.sciencealert.com/space-rock-that-fell-to-earth-reveals-ancient-traces-of-early-solar-system" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencealert.com/space-rock-th</span><span class="invisible">at-fell-to-earth-reveals-ancient-traces-of-early-solar-system</span></a> <span class="h-card" translate="no"><a href="https://mastodon.social/@astronomy" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>astronomy</span></a></span> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/meteorites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>meteorites</span></a> <a href="https://mastodon.social/tags/protoplanetary" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>protoplanetary</span></a></p>
IRAP<p>[<a href="https://astrodon.social/tags/FridayReading" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FridayReading</span></a>] Who are the 50 greatest contributors to our current knowledge of the <a href="https://astrodon.social/tags/Sky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sky</span></a> and the objects that populate it? Who are the men and women who have made remarkable contributions to the development of <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a>, <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a>, <a href="https://astrodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a>, <a href="https://astrodon.social/tags/cosmology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmology</span></a>?</p><p>The BBC offers us a short retrospective of the <a href="https://astrodon.social/tags/history" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>history</span></a> of astronomy, through the remarkable contributions of 50 people, from ancient Greece to the present day : <a href="https://www.skyatnightmagazine.com/space-science/famous-astronomers" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">skyatnightmagazine.com/space-s</span><span class="invisible">cience/famous-astronomers</span></a></p>
Matt Willemsen<p>Planetary Atmospheres: Why study them? What can they teach us about finding life beyond Earth?<br><a href="https://www.universetoday.com/165970/planetary-atmospheres-why-study-them-what-can-they-teach-us-about-finding-life-beyond-earth/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">universetoday.com/165970/plane</span><span class="invisible">tary-atmospheres-why-study-them-what-can-they-teach-us-about-finding-life-beyond-earth/</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>atmosphere</span></a> <a href="https://mastodon.social/tags/chemistry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>chemistry</span></a> <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>physics</span></a> <a href="https://mastodon.social/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>life</span></a> <a href="https://mastodon.social/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a></p>
Matt Willemsen<p>Earth's early evolution: Fresh insights from rocks formed 3.5 billion years ago<br><a href="https://phys.org/news/2024-02-earth-early-evolution-fresh-insights.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2024-02-earth-ea</span><span class="invisible">rly-evolution-fresh-insights.html</span></a> <a href="https://mastodon.social/tags/earth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>earth</span></a> <a href="https://mastodon.social/tags/SouthAfrica" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SouthAfrica</span></a> <a href="https://mastodon.social/tags/India" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>India</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/geology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geology</span></a> <a href="https://mastodon.social/tags/tectonics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tectonics</span></a> <a href="https://mastodon.social/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>atmosphere</span></a></p>
Matt Willemsen<p>If Hycean Worlds Really Exist, What are Their Oceans Like?<br><a href="https://www.universetoday.com/165838/if-hycean-worlds-really-exist-what-are-their-oceans-like/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">universetoday.com/165838/if-hy</span><span class="invisible">cean-worlds-really-exist-what-are-their-oceans-like/</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/HabitablePlanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HabitablePlanet</span></a> <a href="https://mastodon.social/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ocean</span></a> <a href="https://mastodon.social/tags/hydrogen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hydrogen</span></a> <a href="https://mastodon.social/tags/ice" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ice</span></a> <a href="https://mastodon.social/tags/rockycore" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rockycore</span></a> <a href="https://mastodon.social/tags/LifeOnTheHyCeas" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LifeOnTheHyCeas</span></a></p>
Daniel Pomarède<p>Three shots captured by the various instruments of the Curiosity rover on Feb. 16 </p><p>1. by the Right Navigation Cam, credit: NASA/JPL-Caltech <br>2. by ChemCam, credit: NASA/JPL-Caltech/LANL<br>3. by the Left Navigation Cam, credit: NASA/JPL-Caltech</p><p><a href="https://mastodon.social/tags/mars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mars</span></a> <a href="https://mastodon.social/tags/curiosity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>curiosity</span></a> <a href="https://mastodon.social/tags/rover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rover</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/nasa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nasa</span></a> <a href="https://mastodon.social/tags/jpl" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jpl</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/engineering" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>engineering</span></a> <a href="https://mastodon.social/tags/STEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>STEM</span></a> <a href="https://mastodon.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>photography</span></a> <a href="https://mastodon.social/tags/blackandwhite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>blackandwhite</span></a> <a href="https://mastodon.social/tags/goelogy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>goelogy</span></a> <a href="https://mastodon.social/tags/chemistry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>chemistry</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/ChemCam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ChemCam</span></a> <a href="https://mastodon.social/tags/camera" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>camera</span></a></p>
Kabbaway<p>HAPPY BIRTHDAY, AERITH! To celebrate, here's a video essay discussing The Sealed Tower of the Cetra from Final Fantasy VII: Ever Crisis, and how it may be relevant to the upcoming game FFVII Rebirth! 💚 </p><p>🔗<a href="https://youtu.be/VKzkygNsYMc" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/VKzkygNsYMc</span><span class="invisible"></span></a></p><p><a href="https://aus.social/tags/Aerith" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Aerith</span></a> <a href="https://aus.social/tags/Aeris" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Aeris</span></a> <a href="https://aus.social/tags/AerithGainsborough" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AerithGainsborough</span></a> <a href="https://aus.social/tags/Cetra" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cetra</span></a> <a href="https://aus.social/tags/Ancients" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ancients</span></a> <a href="https://aus.social/tags/Sephiroth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Sephiroth</span></a> <a href="https://aus.social/tags/Jenova" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Jenova</span></a> <a href="https://aus.social/tags/FinalFantasyVII" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FinalFantasyVII</span></a> <a href="https://aus.social/tags/FinalFantasy7" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FinalFantasy7</span></a> <a href="https://aus.social/tags/Rebirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Rebirth</span></a> <a href="https://aus.social/tags/Evercrisis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Evercrisis</span></a> <a href="https://aus.social/tags/FFVIIRebirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FFVIIRebirth</span></a> <a href="https://aus.social/tags/FF7Rebirth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FF7Rebirth</span></a> <a href="https://aus.social/tags/FFVIIEverCrisis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FFVIIEverCrisis</span></a> <a href="https://aus.social/tags/FF7EverCrisis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FF7EverCrisis</span></a> <a href="https://aus.social/tags/FFVII" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FFVII</span></a> <a href="https://aus.social/tags/FF7" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FF7</span></a> <a href="https://aus.social/tags/Midgar" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Midgar</span></a> <a href="https://aus.social/tags/BattleTowers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BattleTowers</span></a> <a href="https://aus.social/tags/MidgarFalls" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MidgarFalls</span></a> <a href="https://aus.social/tags/SealedTowerOfTheCetra" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SealedTowerOfTheCetra</span></a> <a href="https://aus.social/tags/Planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Planetology</span></a> <a href="https://aus.social/tags/Norse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Norse</span></a> <a href="https://aus.social/tags/NorseMythology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NorseMythology</span></a> <a href="https://aus.social/tags/Yggdrasil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Yggdrasil</span></a> <a href="https://aus.social/tags/N%C3%AD%C3%B0h%C3%B6ggr" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Níðhöggr</span></a> <a href="https://aus.social/tags/Niddhog" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Niddhog</span></a> <a href="https://aus.social/tags/Ragnarok" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Ragnarok</span></a> <a href="https://aus.social/tags/Clerith" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Clerith</span></a> <a href="https://aus.social/tags/Cleris" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cleris</span></a> <a href="https://aus.social/tags/%E3%82%AF%E3%83%A9%E3%82%A8%E3%82%A2" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>クラエア</span></a> <a href="https://aus.social/tags/Kabbaway" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Kabbaway</span></a> <a href="https://aus.social/tags/Kabba" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Kabba</span></a> <a href="https://aus.social/tags/Kab" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Kab</span></a> <a href="https://aus.social/tags/Kabbidge" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Kabbidge</span></a> <a href="https://aus.social/tags/Kabbidges" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Kabbidges</span></a> <a href="https://aus.social/tags/A_Quirky_Australia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>A_Quirky_Australia</span></a> <a href="https://aus.social/tags/TheGamingKabbanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TheGamingKabbanet</span></a> <a href="https://aus.social/tags/The_Gaming_Kabbanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>The_Gaming_Kabbanet</span></a> <a href="https://aus.social/tags/Gaming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gaming</span></a> <a href="https://aus.social/tags/Theory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Theory</span></a> <a href="https://aus.social/tags/VideoEssay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>VideoEssay</span></a> <a href="https://aus.social/tags/Analysis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Analysis</span></a> <a href="https://aus.social/tags/Game" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Game</span></a> <a href="https://aus.social/tags/VideoGame" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>VideoGame</span></a> <a href="https://aus.social/tags/Video" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Video</span></a> <a href="https://aus.social/tags/YouTube" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>YouTube</span></a> <a href="https://aus.social/tags/YT" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>YT</span></a> <a href="https://aus.social/tags/YouTuber" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>YouTuber</span></a> <a href="https://aus.social/tags/YTer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>YTer</span></a> <a href="https://aus.social/tags/ContentCreator" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ContentCreator</span></a> <a href="https://aus.social/tags/Content_Creator" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Content_Creator</span></a></p>
Matt Willemsen<p>Astronomers observe three iron rings in a planet-forming disk<br><a href="https://phys.org/news/2024-01-astronomers-iron-planet-disk.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2024-01-astronom</span><span class="invisible">ers-iron-planet-disk.html</span></a><br><a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/iron" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>iron</span></a> <a href="https://mastodon.social/tags/rings" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rings</span></a> <a href="https://mastodon.social/tags/star" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>star</span></a> <a href="https://mastodon.social/tags/planets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planets</span></a> <a href="https://mastodon.social/tags/dust" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dust</span></a> <a href="https://mastodon.social/tags/SolarSystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SolarSystem</span></a> <a href="https://mastodon.social/tags/RockyPlanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RockyPlanets</span></a></p>
ospalh<p><a href="https://chaos.social/tags/TIL" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TIL</span></a>, and i wonder why i didn’t know this before.<br><a href="https://chaos.social/tags/Jupiter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Jupiter</span></a> and <a href="https://chaos.social/tags/Saturn" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Saturn</span></a> aren’t really made up of gases, technically speaking. Almost all of it is supercritical fluid. The critical point for Hydrogen ist just 32.938 K, 1.2858 MPa, that for Helium much lower.</p><p>Otoh, supercritical fluid planet hasn’t quite the ring as gas giant.</p><p><a href="https://chaos.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://chaos.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://chaos.social/tags/supercriticalFluid" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>supercriticalFluid</span></a> <a href="https://chaos.social/tags/SupercriticalFluidPlanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SupercriticalFluidPlanet</span></a> <a href="https://chaos.social/tags/gasGiant" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gasGiant</span></a></p>
Matt Willemsen<p>Salt may have carved out Mercury’s terrains, including glacierlike features<br><a href="https://www.sciencenews.org/article/mercury-salt-carved-terrains-glacier-features" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencenews.org/article/mercur</span><span class="invisible">y-salt-carved-terrains-glacier-features</span></a> <a href="https://mastodon.social/tags/mercury" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mercury</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/salt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>salt</span></a> <a href="https://mastodon.social/tags/geomorphology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geomorphology</span></a> <a href="https://mastodon.social/tags/terrain" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>terrain</span></a> <a href="https://mastodon.social/tags/glaciers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>glaciers</span></a></p>
Tilda Moose, citizen<p>With all we know about the <a href="https://mastodon.world/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> of non-<a href="https://mastodon.world/tags/Earth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Earth</span></a> <a href="https://mastodon.world/tags/planets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planets</span></a> already, can we please bend it back into a virtuous circle of deepening our <a href="https://mastodon.world/tags/love" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>love</span></a> and <a href="https://mastodon.world/tags/understanding" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>understanding</span></a> of how to get on effortlessly with our own parent planet? I think it's important and would be great.</p>
Matt Willemsen<p>Polycyclic Aromatic Hydrocarbons in Asteroids Predate Our Solar System, New Study Shows<br><a href="https://www.sci.news/space/asteroid-polycyclic-aromatic-hydrocarbons-12559.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sci.news/space/asteroid-polycy</span><span class="invisible">clic-aromatic-hydrocarbons-12559.html</span></a><br><a href="https://mastodon.social/tags/PAHs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PAHs</span></a> <a href="https://mastodon.social/tags/Asteroids" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Asteroids</span></a> <a href="https://mastodon.social/tags/Predate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Predate</span></a> <a href="https://mastodon.social/tags/SolarSystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SolarSystem</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a></p>
IRAP<p>[<a href="https://astrodon.social/tags/SuivezNous" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SuivezNous</span></a>] Intéressé(e) par les thématiques <a href="https://astrodon.social/tags/astrophysique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysique</span></a> et <a href="https://astrodon.social/tags/plan%C3%A9tologique" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planétologique</span></a> ? Envie de mieux connaître la vie d'un <a href="https://astrodon.social/tags/laboratoire" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>laboratoire</span></a>, de suivre l'<a href="https://astrodon.social/tags/actualit%C3%A9" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>actualité</span></a> de la <a href="https://astrodon.social/tags/recherche" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>recherche</span></a>, de rencontrer ses personnels lors de Journées Portes Ouvertes, de <a href="https://astrodon.social/tags/conf%C3%A9rences" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>conférences</span></a> grand public, d'<a href="https://astrodon.social/tags/%C3%A9v%C3%A9nements" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>événements</span></a> festifs ? Abonnez-vous à ce compte ... </p><p>[<a href="https://astrodon.social/tags/FollowUs" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FollowUs</span></a>] Interested in <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> and <a href="https://astrodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a>? Want to find out more about the life of a <a href="https://astrodon.social/tags/laboratory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>laboratory</span></a> and keep up to date with <a href="https://astrodon.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a>? Follow this account ...</p>
Daniel Pomarède<p>Nature Journal astronomy covers appreciation post</p><p>Water on Mars (1987)</p><p>Featuring a Review Article by USGS planetary geologist Michael H. Carr</p><p><a href="https://www.nature.com/nature/volumes/326/issues/6108" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nature.com/nature/volumes/326/</span><span class="invisible">issues/6108</span></a></p><p>Credit image: A. McEwen/USGS-Flagstaff. At the bottom is the equatorial canyon system. Dark spots on the left are the large Tharsis volcanoes.</p><p><a href="https://mastodon.social/tags/mars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>mars</span></a> <a href="https://mastodon.social/tags/water" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>water</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a> <a href="https://mastodon.social/tags/tharsis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tharsis</span></a> <a href="https://mastodon.social/tags/volcano" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>volcano</span></a> <a href="https://mastodon.social/tags/volcanoes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>volcanoes</span></a> <a href="https://mastodon.social/tags/nature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nature</span></a> <a href="https://mastodon.social/tags/cover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cover</span></a> <a href="https://mastodon.social/tags/naturecover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>naturecover</span></a></p>
Daniel Pomarède<p>Wonders of the Solar System</p><p>Ruddy freckles on Europa</p><p><a href="https://photojournal.jpl.nasa.gov/catalog/PIA03878" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">photojournal.jpl.nasa.gov/cata</span><span class="invisible">log/PIA03878</span></a></p><p>📷 Galileo Spacecraft; Credits NASA/JPL/U. Arizona/U. Colorado</p><p><a href="https://mastodon.social/tags/europa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>europa</span></a> <a href="https://mastodon.social/tags/galileo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>galileo</span></a> <a href="https://mastodon.social/tags/orbiter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>orbiter</span></a> <a href="https://mastodon.social/tags/spacecraft" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spacecraft</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/jupiter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jupiter</span></a> <a href="https://mastodon.social/tags/solarsystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>solarsystem</span></a> <a href="https://mastodon.social/tags/wonder" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>wonder</span></a> <a href="https://mastodon.social/tags/solarsystemwonders" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>solarsystemwonders</span></a> <a href="https://mastodon.social/tags/nasa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nasa</span></a> <a href="https://mastodon.social/tags/jpl" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jpl</span></a> <a href="https://mastodon.social/tags/freckles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>freckles</span></a> <a href="https://mastodon.social/tags/lenticulae" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>lenticulae</span></a> <a href="https://mastodon.social/tags/ice" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ice</span></a> <a href="https://mastodon.social/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ocean</span></a> <a href="https://mastodon.social/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>life</span></a> <a href="https://mastodon.social/tags/moon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>moon</span></a> <a href="https://mastodon.social/tags/moons" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>moons</span></a> <a href="https://mastodon.social/tags/satellite" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>satellite</span></a> <a href="https://mastodon.social/tags/satellites" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>satellites</span></a> <a href="https://mastodon.social/tags/planet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planet</span></a> <a href="https://mastodon.social/tags/planets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planets</span></a> <a href="https://mastodon.social/tags/planetology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planetology</span></a> <a href="https://mastodon.social/tags/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</span></a> <a href="https://mastodon.social/tags/image" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>image</span></a> <a href="https://mastodon.social/tags/photography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>photography</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a></p>
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