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#Exoplanets

7 postitusega7 osalejaga0 postitust täna
K.Llewellin :coffefied:<p>The search for biosignatures in Enceladus' plumes <a href="https://phys.org/news/2025-04-biosignatures-enceladus-plumes.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">phys.org/news/2025-04-biosigna</span><span class="invisible">tures-enceladus-plumes.html</span></a> 🪐 <a href="https://masto.ai/tags/Exoplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exoplanet</span></a> <a href="https://masto.ai/tags/Exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exoplanets</span></a> <a href="https://masto.ai/tags/AlienWorlds" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AlienWorlds</span></a> <a href="https://masto.ai/tags/AlienLife" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AlienLife</span></a> <a href="https://masto.ai/tags/Extraterrestrials" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Extraterrestrials</span></a> <a href="https://masto.ai/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://masto.ai/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://masto.ai/tags/SolarSystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SolarSystem</span></a></p>
NASA<p>NASA Webb’s Autopsy of Planet Swallowed by Star Yields Surprise <a href="https://science.nasa.gov/missions/webb/nasa-webbs-autopsy-of-planet-swallowed-by-star-yields-surprise/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">science.nasa.gov/missions/webb</span><span class="invisible">/nasa-webbs-autopsy-of-planet-swallowed-by-star-yields-surprise/</span></a> <a href="https://social.beachcom.org/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> <a href="https://social.beachcom.org/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrophysics</span></a> <a href="https://social.beachcom.org/tags/Exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exoplanets</span></a> <a href="https://social.beachcom.org/tags/GoddardSpaceFlightCenter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GoddardSpaceFlightCenter</span></a> <a href="https://social.beachcom.org/tags/JamesWebbSpaceTelescopeJWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JamesWebbSpaceTelescopeJWST</span></a> <a href="https://social.beachcom.org/tags/ScienceResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ScienceResearch</span></a> <a href="https://social.beachcom.org/tags/Stars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Stars</span></a> <a href="https://social.beachcom.org/tags/TheMilkyWay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TheMilkyWay</span></a> <a href="https://social.beachcom.org/tags/TheUniverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TheUniverse</span></a></p>
Exoplanets<p>Name: Kepler-745 b<br>A Neptune-like giant planet.<br>Distance from Earth: 5,807 light-years<br>Year discovered: 2016<br>Discovered by: Kepler<br>Planet radius: 2.16 x Earth<br>Orbital period: 9.93 day(s)</p><p><a href="https://eyes.nasa.gov/apps/exo/#/planet/Kepler-745_b" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">eyes.nasa.gov/apps/exo/#/plane</span><span class="invisible">t/Kepler-745_b</span></a></p><p><a href="https://stefanbohacek.online/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://stefanbohacek.online/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a></p>
NASA<p>Discovery Alert: Four Little Planets, One Big Step <a href="https://science.nasa.gov/universe/exoplanets/discovery-alert-four-little-planets-one-big-step/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">science.nasa.gov/universe/exop</span><span class="invisible">lanets/discovery-alert-four-little-planets-one-big-step/</span></a> <a href="https://social.beachcom.org/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> <a href="https://social.beachcom.org/tags/Exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exoplanets</span></a> <a href="https://social.beachcom.org/tags/RadialVelocity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RadialVelocity</span></a> <a href="https://social.beachcom.org/tags/TerrestrialExoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TerrestrialExoplanets</span></a></p>
Mikko Tuomi<p>For decades, scientists have debated how small <a href="https://scicomm.xyz/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a> form.</p><p>New model suggests that <a href="https://scicomm.xyz/tags/planets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planets</span></a> form in narrow rings at specific locations in the <a href="https://scicomm.xyz/tags/protoplanetary" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>protoplanetary</span></a> disk, making <a href="https://scicomm.xyz/tags/planet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>planet</span></a> formation more organized than previously believed.</p><p>Simulations also imply that up to about 1% of super-Earth and mini-Neptune systems could host Earth-like planets within the <a href="https://scicomm.xyz/tags/habitable" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>habitable</span></a> zone.</p><p>This implies an occurrence rate of approximately one Earth-like planet per 300 sun-like stars.</p><p><a href="https://astrobiology.com/2025/03/research-on-super-earths-and-mini-neptunes-suggests-more-earth-like-planets-may-exist.html" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">astrobiology.com/2025/03/resea</span><span class="invisible">rch-on-super-earths-and-mini-neptunes-suggests-more-earth-like-planets-may-exist.html</span></a></p>
Exoplanets<p>Name: K2-77 b<br>A Neptune-like giant planet.<br>Distance from Earth: 462 light-years<br>Year discovered: 2016<br>Discovered by: K2<br>Planet radius: 2.3 x Earth<br>Planet mass: 604 Earths<br>Orbital period: 8.20 day(s)</p><p><a href="https://eyes.nasa.gov/apps/exo/#/planet/K2-77_b" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">eyes.nasa.gov/apps/exo/#/plane</span><span class="invisible">t/K2-77_b</span></a></p><p><a href="https://stefanbohacek.online/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://stefanbohacek.online/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a></p>
Mikko Tuomi<p>The upcoming extremely large telescopes will provide the first opportunity to search for signs of <a href="https://scicomm.xyz/tags/habitability" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>habitability</span></a> and <a href="https://scicomm.xyz/tags/life" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>life</span></a> on non-transiting <a href="https://scicomm.xyz/tags/terrestrial" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>terrestrial</span></a> <a href="https://scicomm.xyz/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a>.</p><p>For the most accessible nearby target, <a href="https://scicomm.xyz/tags/Proxima" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Proxima</span></a> Centauri b, we may be able to rule out a sub-Neptune <a href="https://scicomm.xyz/tags/atmosphere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>atmosphere</span></a> in as little as a single hour of observing, and some <a href="https://scicomm.xyz/tags/biosignature" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>biosignature</span></a> disequilibrium pairs may be accessible in 10&nbsp;hours.</p><p><a href="https://scicomm.xyz/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://scicomm.xyz/tags/astrobiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrobiology</span></a><br><a href="https://arxiv.org/abs/2503.08592" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2503.08592</span><span class="invisible"></span></a></p>
RS, Author, Novelist, Prosaist<p>Welp, check seeing an exoplanet off my bucket list!</p><p><a href="https://eldritch.cafe/tags/BoostingIsSharing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BoostingIsSharing</span></a></p><p><a href="https://eldritch.cafe/tags/Exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exoplanets</span></a> <a href="https://eldritch.cafe/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://eldritch.cafe/tags/Exoplanet" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exoplanet</span></a> <a href="https://eldritch.cafe/tags/Writer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Writer</span></a> <a href="https://eldritch.cafe/tags/sf" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sf</span></a> <a href="https://eldritch.cafe/tags/ScienceFiction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ScienceFiction</span></a> <a href="https://eldritch.cafe/tags/scifi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>scifi</span></a> <a href="https://eldritch.cafe/tags/Author" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Author</span></a> <a href="https://eldritch.cafe/tags/WritingCommunity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WritingCommunity</span></a> <a href="https://eldritch.cafe/tags/WritersOfMastodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WritersOfMastodon</span></a> <a href="https://www.skyatnightmagazine.com/news/webb-hr-8799?utm_source=flipboard&amp;utm_content=skyatnightmag/magazine/Space+and+astronomy+news" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">skyatnightmagazine.com/news/we</span><span class="invisible">bb-hr-8799?utm_source=flipboard&amp;utm_content=skyatnightmag/magazine/Space+and+astronomy+news</span></a></p>
NASA<p>NASA’s Webb Images Young, Giant Exoplanets, Detects Carbon Dioxide <a href="https://science.nasa.gov/missions/webb/nasas-webb-images-young-giant-exoplanets-detects-carbon-dioxide/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">science.nasa.gov/missions/webb</span><span class="invisible">/nasas-webb-images-young-giant-exoplanets-detects-carbon-dioxide/</span></a> <a href="https://social.beachcom.org/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> <a href="https://social.beachcom.org/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrophysics</span></a> <a href="https://social.beachcom.org/tags/Exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Exoplanets</span></a> <a href="https://social.beachcom.org/tags/GasGiantExoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GasGiantExoplanets</span></a> <a href="https://social.beachcom.org/tags/GoddardSpaceFlightCenter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GoddardSpaceFlightCenter</span></a> <a href="https://social.beachcom.org/tags/JamesWebbSpaceTelescopeJWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JamesWebbSpaceTelescopeJWST</span></a> <a href="https://social.beachcom.org/tags/ScienceResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ScienceResearch</span></a> <a href="https://social.beachcom.org/tags/TheUniverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TheUniverse</span></a></p>
Matthew Kenworthy<p>I keep forgetting when and where telescope observing cycles/periods are, so I spent a part of this morning making this spreadsheet which you can view. I will attempt to keep it updated (and yes, P116 is 7 months, not six!) <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/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a> 🔭🪐 <a href="https://docs.google.com/spreadsheets/d/1mc3-24mY5F5sJu8wpVuWUmOUyMeWfeQmBlCaqJPhpus/edit?usp=sharing" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">docs.google.com/spreadsheets/d</span><span class="invisible">/1mc3-24mY5F5sJu8wpVuWUmOUyMeWfeQmBlCaqJPhpus/edit?usp=sharing</span></a></p>