feliks<p>atmosphere and biomarkers found by <a href="https://chaos.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> on <a href="https://chaos.social/tags/K2_18b" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>K2_18b</span></a></p>
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13 messages · 12 participants · 2 messages aujourd’hui
News-Cafe.eu blog<p>James Webb Telescope detects potential biosignatures on exoplanet K2-18b. It is just 124 light-years from the Solar System, in the Leo Constellation. <br><a href="https://www.news-cafe.eu/?go=news&n=13646" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">news-cafe.eu/?go=news&n=13646</span><span class="invisible"></span></a><br><a href="https://mastodon.world/tags/stars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stars</span></a> <a href="https://mastodon.world/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.world/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.world/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.world/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://mastodon.world/tags/cosmos" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmos</span></a> <a href="https://mastodon.world/tags/universe" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>universe</span></a> <a href="https://mastodon.world/tags/exoplanets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>exoplanets</span></a> <a href="https://mastodon.world/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.world/tags/research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>research</span></a> <a href="https://mastodon.world/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> <a href="https://mastodon.world/tags/solarsystem" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>solarsystem</span></a></p>
Hans 🙋♂️<p>Dr.Becky over dat buitenaards leven-gedoe:</p><p>"Did JWST find LIFE on the exoplanet K2-18b?!"</p><p><a href="https://mastodon.nl/tags/DrBecky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DrBecky</span></a> <a href="https://mastodon.nl/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> <a href="https://mastodon.nl/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://mastodon.nl/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.nl/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> </p><p><a href="https://www.youtube.com/shorts/zPYHPGSDf_w" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">youtube.com/shorts/zPYHPGSDf_w</span><span class="invisible"></span></a></p>
Sean Lynch<p>Here's a link to a paper that shows we have detected dimethyl sulfide in comets, so we know that this can be produced without phytoplankton. </p><p>Still, a planet in the 'Goldilocks zone' with liquid water and an atmosphere opens up great possibilities for life to exist.</p><p>This definitely calls for a thorough review of the data and methods as well as follow up observations.<br><a href="https://arxiv.org/pdf/2410.08724" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/pdf/2410.08724</span><span class="invisible"></span></a></p><p><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/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> <a href="https://mastodon.social/tags/ARXIV" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ARXIV</span></a></p>
Sean Lynch<p>Great summary of the ** Possible ** detection of dimethyl sulfide and dimethyl disulfide in the atmosphere of a distant planet.</p><p>On Earth these gasses are exclusively produced by ocean plankton. The Planet is between Earth and Neptune in size and appears to have liquid water.</p><p>This is not a definite detection, and there could be non-biological ways to produce these gasses. (ie this has been seen in comets)</p><p><a href="https://www.npr.org/2025/04/16/nx-s1-5364805/signs-life-alien-planet-biosignatures-exoplanet" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">npr.org/2025/04/16/nx-s1-53648</span><span class="invisible">05/signs-life-alien-planet-biosignatures-exoplanet</span></a></p><p><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/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> <a href="https://mastodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a></p>
Mark McCaughrean<p>The very definition of a clickbait headline. </p><p>If you read the article, you’ll soon discover that the only scientists “hailing” this result are the authors of the paper. </p><p>Everyone else interviewed for comment is way more sceptical. </p><p>A 3-sigma detection of dimethyl sulphide is interesting, if well below the significance used in particle physics, say. </p><p>But as others have said, it could readily have non-life origins too.</p><p>Caveat emptor.</p><p><a href="https://www.theguardian.com/science/2025/apr/17/scientists-hail-strongest-evidence-so-far-for-life-beyond-our-solar-system" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">theguardian.com/science/2025/a</span><span class="invisible">pr/17/scientists-hail-strongest-evidence-so-far-for-life-beyond-our-solar-system</span></a></p><p><a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a></p>
CosmicRami<p>You may have seen headlines today - such as in The New York Times - suggesting the possible detection of a biosignature on an exoplanet. It’s an exciting prospect, no doubt. But it’s also an extraordinary claim, and as the saying goes, "extraordinary claims require extraordinary evidence" (Carl Sagan).</p><p>While the molecule in question is associated with biological processes, it’s important to note that non-biological (abiotic) pathways for its formation exist as well (see: Reed et al. 2024 ApJL; Sanz-Novo et al. 2025 ApJL). These results are interesting, but far from conclusive.</p><p>Scientists work within a robust framework to test such claims. This includes:</p><p>- Peer review and replication<br>- Community feedback and critique<br>- Cross-validation through multiple instruments and techniques<br>- Avoiding sensationalism in science communication<br>- Building consensus through sustained investigation</p><p>I am looking forward to hearing more from the exoplanet and astrobiology communities on these findings before drawing conclusions. </p><p>In the meantime, the ripple effect of bold headlines - like "Possible Signs of Extraterrestrial Life" - has already begun. A friend at the dentist this morning spotted a very misleading headline about this on Channel 9 News!</p><p>This is where science communication becomes critical: managing public interest and excitement without compromising scientific accuracy.</p><p>We should use moments like these to show the process - how scientific ideas are proposed, tested, debated, and refined - to broader audiences. Whether we’re talking about space, climate change, or pandemics, this transparency is essential to building trust in science.</p><p>Aliens make for a great headline, but the real story is in how we do the science.</p><p><a href="https://aus.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> <a href="https://aus.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://aus.social/tags/Astrobiology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrobiology</span></a> <a href="https://aus.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a> <a href="https://aus.social/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://aus.social/tags/ScienceCommunication" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ScienceCommunication</span></a></p>
Ben Royce 🇺🇦<p>Astronomers using the <a href="https://mastodon.social/tags/JamesWebbTelescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JamesWebbTelescope</span></a> <a href="https://mastodon.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> have found water vapor, carbon dioxide, and methane on planet K2-18b</p><p>2.6x Earth radius, in the habitable zone (liquid water possible), 124 ly away</p><p>The cool part:</p><p>They also found DMS. Dimethyl Sulfide (probably, the signal is weak, they need to confirm)</p><p>you know DMS as "the smell of the sea"</p><p>We don't know of any geochemical processes that make DMS</p><p>The only process we know of that makes DMS, is life</p><p>👀</p><p><a href="https://www.newscientist.com/article/2477008-astronomers-claim-strongest-evidence-of-alien-life-yet/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">newscientist.com/article/24770</span><span class="invisible">08-astronomers-claim-strongest-evidence-of-alien-life-yet/</span></a></p><p><a href="https://mastodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a></p>
UK<p><a href="https://www.europesays.com/uk/24938/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">europesays.com/uk/24938/</span><span class="invisible"></span></a> Incredible Photo of a Dying Star Shows How Far Telescopes Have Come <a href="https://pubeurope.com/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://pubeurope.com/tags/jameswebbspacetelescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jameswebbspacetelescope</span></a> <a href="https://pubeurope.com/tags/jwst" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jwst</span></a> <a href="https://pubeurope.com/tags/Nasa" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nasa</span></a> <a href="https://pubeurope.com/tags/nebula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nebula</span></a> <a href="https://pubeurope.com/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://pubeurope.com/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://pubeurope.com/tags/Star" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Star</span></a> <a href="https://pubeurope.com/tags/UK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UK</span></a> <a href="https://pubeurope.com/tags/UnitedKingdom" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UnitedKingdom</span></a> <a href="https://pubeurope.com/tags/webb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>webb</span></a> <a href="https://pubeurope.com/tags/wise" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>wise</span></a></p>
Unofficial PetaPixel Bot<p>Incredible Photo of a Dying Star Shows How Far Telescopes Have Come <a href="https://petapixel.com/2025/04/15/incredible-photo-of-a-dying-star-shows-how-far-telescopes-have-come/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">petapixel.com/2025/04/15/incre</span><span class="invisible">dible-photo-of-a-dying-star-shows-how-far-telescopes-have-come/</span></a> <a href="https://toot.earth/tags/jameswebbspacetelescope" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jameswebbspacetelescope</span></a> <a href="https://toot.earth/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://toot.earth/tags/science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>science</span></a> <a href="https://toot.earth/tags/nebula" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nebula</span></a> <a href="https://toot.earth/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://toot.earth/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://toot.earth/tags/News" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>News</span></a> <a href="https://toot.earth/tags/jwst" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jwst</span></a> <a href="https://toot.earth/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> <a href="https://toot.earth/tags/star" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>star</span></a> <a href="https://toot.earth/tags/webb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>webb</span></a> <a href="https://toot.earth/tags/wise" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>wise</span></a></p>
Mr Tech King<p>The $10 billion JWST reveals the universe like never before. Just look at nebula NGC 1514s rings compared to previous views. This stunning clarity advances our understanding and shows the cosmos's true wonder. Hard to put a price on that. <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/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> <a href="https://mastodon.social/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a></p>
Tarcísio Surdi ⁂ :verified_sc:<p><span class="h-card" translate="no"><a href="https://bolha.us/@bug_elseif" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>bug_elseif</span></a></span> considerando que o <a href="https://bolha.one/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> 🛰️ "vê" não sei quantos anos luz no passado, me parece plausível!!</p>
readbeanicecream<p>Record-breaking 'dead' galaxy discovered by JWST lived fast and died young in the early universe</p><p><a href="https://www.livescience.com/space/astronomy/record-breaking-dead-galaxy-discovered-by-jwst-lived-fast-and-died-young-in-the-early-universe" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">livescience.com/space/astronom</span><span class="invisible">y/record-breaking-dead-galaxy-discovered-by-jwst-lived-fast-and-died-young-in-the-early-universe</span></a></p><p><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/spaceexploration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spaceexploration</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/cosmology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>cosmology</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/jwst" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jwst</span></a></p>
Andrea Luck<p>Spiral Galaxy LEDA 2046648 - NASA/ESA JWST Space Telescope</p><p>Full size image 4000x2225: <a href="https://flic.kr/p/2qXd1vU" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">flic.kr/p/2qXd1vU</span><span class="invisible"></span></a><br>Credit: NASA/ESA/CSA/STScI/AndreaLuck CC BY</p><p>Instruments: NIRCam<br>Date: 2022-05-22<br>Filters: F356W, F277W, F200W, F150W Assigned Colours: Red, Yellow/Green, Cyan, Blue<br>PI: Andre Martel<br>PI Institution: Space Telescope Science Institute<br>Proposal ID: 1089</p><p><a href="https://fosstodon.org/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://fosstodon.org/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a> <a href="https://fosstodon.org/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://fosstodon.org/tags/NASA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NASA</span></a> <a href="https://fosstodon.org/tags/ESA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESA</span></a> <a href="https://fosstodon.org/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a></p>
Arp Bot 🤖<p>JWST MIRI image of Arp 107, also known as UGC 5984.</p><p>In this pair of interacting galaxies, only the one-armed spiral glows brightly in mid-infrared light. Young, forming stars, surrounded by dusty silicates and soot-like molecules known as polycyclic aromatic hydrocarbons, are shown in blue.</p><p>Credit: NASA, ESA, CSA, STSc<br>Source: <a href="https://webbtelescope.org/contents/media/images/2024/132/01J74B5B0C2MKBE2QXTMW46T4Z" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">webbtelescope.org/contents/med</span><span class="invisible">ia/images/2024/132/01J74B5B0C2MKBE2QXTMW46T4Z</span></a></p><p><a href="https://mastodon.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> <a href="https://mastodon.social/tags/ArpGalaxy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ArpGalaxy</span></a> <a href="https://mastodon.social/tags/Galaxy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Galaxy</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/Astronony" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronony</span></a></p>
Frankie ✅<p>NASA Webb’s Autopsy of Planet Swallowed by Star Yields Surprise </p><p><a href="https://www.jpl.nasa.gov/news/nasa-webbs-autopsy-of-planet-swallowed-by-star-yields-surprise/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">jpl.nasa.gov/news/nasa-webbs-a</span><span class="invisible">utopsy-of-planet-swallowed-by-star-yields-surprise/</span></a> </p><p><a href="https://mastodon.social/tags/news" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>news</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/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</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/jwst" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jwst</span></a> <a href="https://mastodon.social/tags/jameswebb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jameswebb</span></a></p>
earthling<p>HH 49: Interstellar Jet from Webb</p><p>What's at the tip of this interstellar jet? First let's consider the jet: it is being expelled by a star system just forming and is cataloged as Herbig-Haro 49 (HH 49). The star system expelling this jet is not visible -- it is off to the lower right. The complex conical structure featured in this infrared image by the James Webb Space Telescope also includes another jet cataloged as HH 50.</p><p>Image Credit: NASA, ESA, CSA, STScI, JWST</p><p><a href="https://mastodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophotography</span></a> <br><a href="https://mastodon.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a></p>
Gravity Grinch<p>Another interesting strong lensing discovery by @NASAWebb : <a href="https://arxiv.org/abs/2504.03571" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2504.03571</span><span class="invisible"></span></a> <br>"if a bottom-heavy IMF for elliptical gals is employed, stellar mass estimations increase and can account for the majority of the lensing mass (up to ∼83\%), reducing the need for dark matter"! </p><p><a href="https://astrodon.social/tags/DarkMatter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DarkMatter</span></a> <a href="https://astrodon.social/tags/Cosmology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Cosmology</span></a> <a href="https://astrodon.social/tags/StrongGravitationalLensing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>StrongGravitationalLensing</span></a> <a href="https://astrodon.social/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a></p>
OptimusPrimeBot<p>HOPS 383 ✨</p><p><a href="https://mastodon.online/tags/dust" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dust</span></a> <a href="https://mastodon.online/tags/formation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>formation</span></a> <a href="https://mastodon.online/tags/herbigharo" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>herbigharo</span></a> <a href="https://mastodon.online/tags/hops383" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>hops383</span></a> <a href="https://mastodon.online/tags/infrared" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>infrared</span></a> <a href="https://mastodon.online/tags/jets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jets</span></a> <a href="https://mastodon.online/tags/jwst" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>jwst</span></a> <a href="https://mastodon.online/tags/megeath" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>megeath</span></a> </p><p>▶️ 1 new picture from <span class="h-card" translate="no"><a href="https://astrodon.social/@spacegeck" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>spacegeck</span></a></span> <a href="https://commons.wikimedia.org/wiki/File:HOPS_383_%2854435627164%29.png" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">commons.wikimedia.org/wiki/Fil</span><span class="invisible">e:HOPS_383_%2854435627164%29.png</span></a></p>
Andrea Luck<p>Ring Nebula as seen by JWST Space Telescope</p><p>Full size & more info: <a href="https://flic.kr/p/2qW1yL1" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">flic.kr/p/2qW1yL1</span><span class="invisible"></span></a><br>Credit: NASA/ESA/CSA/STScI/AndreaLuck CC BY</p><p>Target: Ring Nebula, NGC6720<br>Distance: 2,300 light-years<br>Date: 2022-08-04 / 2022-08-08<br>Instruments: NIRCam, MIRI<br>Filters: F770W, F560W, F335M, F300M, F212N, F162M<br>Colours Assigned: B/W, Red, Orange, Green, Cyan, Blue<br>PI: Michael Barlow<br>PI Institution: University College London<br>Proposal ID: 1558</p><p><a href="https://fosstodon.org/tags/JWST" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JWST</span></a> <a href="https://fosstodon.org/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://fosstodon.org/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://fosstodon.org/tags/Astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrodon</span></a></p>
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