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#astrophysics

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Europe Says<p><a href="https://www.europesays.com/2245714/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">europesays.com/2245714/</span><span class="invisible"></span></a> “Elon, Mars Is a Hellhole”: Astrophysicist Slams Musk’s Vision, Says Even Nuclear Apocalypse Makes Earth a Safer Bet <a href="https://pubeurope.com/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://pubeurope.com/tags/MarsColonization" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MarsColonization</span></a> <a href="https://pubeurope.com/tags/nuclear" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nuclear</span></a> <a href="https://pubeurope.com/tags/SpaceExploration" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceExploration</span></a></p>
ESO<p>This is a story of redemption for one lonely star. </p><p>The young star MP Mus (PDS 66) was thought to be all alone in the Universe, surrounded by nothing but a featureless protoplanetary disc.</p><p>But studying the star further with ALMA, together with data from ESA's Gaia mission, told a different story. Keep reading... 1/2</p><p><a href="https://www.eso.org/public/images/potw2528a/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">eso.org/public/images/potw2528</span><span class="invisible">a/</span></a></p><p>📷 ALMA(ESO/NAOJ/NRAO)/A. Ribas et al.</p><p><a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a></p>
Prof Heino Falcke<p>In <a href="https://mastodon.social/tags/Berlin" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Berlin</span></a> for the Event Horizon Telescope collaboration meeting 2025 (<a href="https://mastodon.social/tags/EHT2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EHT2025</span></a>) at the Harnack Haus. Looking forward to a week full of new results, fruits of tedious work and checking - we don’t take things lightly. This is possible only due to a global collaboration of 13 stakeholder organizations, 60 affiliated institutions and over 400 scientists all working together on multi-year black hole images,<br>multi-wavelength observations and eventually „movies“. <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a></p>
Hacker News<p>Black hole merger challenges our understanding of black hole formation</p><p><a href="https://gizmodo.com/astronomers-detect-a-black-hole-merger-thats-so-massive-it-shouldnt-exist-2000628197" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gizmodo.com/astronomers-detect</span><span class="invisible">-a-black-hole-merger-thats-so-massive-it-shouldnt-exist-2000628197</span></a></p><p><a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HackerNews</span></a> <a href="https://mastodon.social/tags/blackhole" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blackhole</span></a> <a href="https://mastodon.social/tags/merger" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>merger</span></a> <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.social/tags/spacetime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spacetime</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a> <a href="https://mastodon.social/tags/cosmicmysteries" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cosmicmysteries</span></a></p>
US<p><a href="https://www.europesays.com/us/63688/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">europesays.com/us/63688/</span><span class="invisible"></span></a> Astronomers Detect a Black Hole Merger That’s So Massive It Shouldn’t Exist <a href="https://pubeurope.com/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://pubeurope.com/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlackHoles</span></a> <a href="https://pubeurope.com/tags/Cosmology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cosmology</span></a> <a href="https://pubeurope.com/tags/GravitationalWave" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GravitationalWave</span></a> <a href="https://pubeurope.com/tags/LIGO" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LIGO</span></a> <a href="https://pubeurope.com/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> <a href="https://pubeurope.com/tags/UnitedStates" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UnitedStates</span></a> <a href="https://pubeurope.com/tags/UnitedStates" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UnitedStates</span></a> <a href="https://pubeurope.com/tags/US" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>US</span></a></p>
GhostOnTheHalfShell<p>4 min</p><p><a href="https://www.youtube.com/watch?v=xIthgcx-axs" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=xIthgcx-ax</span><span class="invisible">s</span></a></p><p><a href="https://masto.ai/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://masto.ai/tags/neato" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>neato</span></a></p>
Miro Collas<p>APOD: 2025 July 13 – Planetary Nebula Mz3: The Ant Nebula <br><a href="https://apod.nasa.gov/apod/ap250713.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">apod.nasa.gov/apod/ap250713.ht</span><span class="invisible">ml</span></a></p><p><a href="https://masto.ai/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://masto.ai/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://masto.ai/tags/APOD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>APOD</span></a></p>
Prof Heino Falcke<p>Just arrived in Berlin for an exciting meeting of the Event Horizon Telescope collaboration. We start with two days of board meetings over the weekend (there goes my Sunday 🙄), followed by lots of interesting science talks and discussions. We are not done yet: multiple years, more telescopes, better images, dynamics, and Space. In addition a talk on history of science by a leading expert on Einstein. That will be an intense &amp; fun gathering <a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.social/tags/blackhole" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blackhole</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/EHT2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EHT2025</span></a></p>
Europe Says<p><a href="https://www.europesays.com/2237096/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">europesays.com/2237096/</span><span class="invisible"></span></a> We may have finally solved an ultra-high-energy cosmic ray puzzle <a href="https://pubeurope.com/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://pubeurope.com/tags/Energy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Energy</span></a> <a href="https://pubeurope.com/tags/neutrinos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>neutrinos</span></a> <a href="https://pubeurope.com/tags/ParticlePhysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ParticlePhysics</span></a></p>
UniversoMagico<p><a href="https://social.vivaldi.net/tags/UMPlus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UMPlus</span></a> - Messier 97 by Lóránd Fényes</p><p><a href="https://www.universomagico.net/2025/07/messier-97-por-lorand-fenyes.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">universomagico.net/2025/07/mes</span><span class="invisible">sier-97-por-lorand-fenyes.html</span></a></p><p>This extraordinary image by astronomer Lóránd Fényes shows a nebula known as the Owl Nebula and cataloged as Messier 97 and NGC 3587, among other designations. It is located in the direction of the Ursa Major constellation and lies 2,030 light-years from Earth. It is a planetary nebula, material ejected by a.....<br><a href="https://social.vivaldi.net/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://social.vivaldi.net/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://social.vivaldi.net/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://social.vivaldi.net/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a></p>
Hacker News<p>U.S. abandons hunt for signal of cosmic inflation</p><p><a href="https://www.science.org/content/article/u-s-abandons-hunt-signal-cosmic-inflation" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">science.org/content/article/u-</span><span class="invisible">s-abandons-hunt-signal-cosmic-inflation</span></a></p><p><a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HackerNews</span></a> <a href="https://mastodon.social/tags/cosmicinflation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>cosmicinflation</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/exploration" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>exploration</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a> <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.social/tags/universe" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>universe</span></a></p>
Louis Marmet 🇨🇦<p><a href="https://social.sciences.re/tags/MolecularClouds" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MolecularClouds</span></a> <a href="https://social.sciences.re/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <br>"Differential virial analysis: a new technique to determine the dynamical state of molecular clouds"</p><p>🔗<a href="https://astro.theoj.org/article/142097-differential-virial-analysis-a-new-technique-to-determine-the-dynamical-state-of-molecular-clouds" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">astro.theoj.org/article/142097</span><span class="invisible">-differential-virial-analysis-a-new-technique-to-determine-the-dynamical-state-of-molecular-clouds</span></a></p>
NASA<p>Hubble Snaps Galaxy Cluster’s Portrait <a href="https://science.nasa.gov/missions/hubble/hubble-snaps-galaxy-clusters-portrait/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">science.nasa.gov/missions/hubb</span><span class="invisible">le/hubble-snaps-galaxy-clusters-portrait/</span></a> <a href="https://social.beachcom.org/tags/NASA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NASA</span></a> <a href="https://social.beachcom.org/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://social.beachcom.org/tags/AstrophysicsDivision" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AstrophysicsDivision</span></a> <a href="https://social.beachcom.org/tags/Galaxies" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Galaxies</span></a> <a href="https://social.beachcom.org/tags/GalaxyClusters" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GalaxyClusters</span></a> <a href="https://social.beachcom.org/tags/GoddardSpaceFlightCenter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GoddardSpaceFlightCenter</span></a> <a href="https://social.beachcom.org/tags/GravitationalLensing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GravitationalLensing</span></a> <a href="https://social.beachcom.org/tags/HubbleSpaceTelescope" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HubbleSpaceTelescope</span></a></p>
Bytes Europe<p>Nearly everyone opposes Trump’s plan to kill space traffic control program | The Space Force and more than 450 aerospace companies are against the White House’s proposal. <a href="https://www.byteseu.com/1182804/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">byteseu.com/1182804/</span><span class="invisible"></span></a> <a href="https://pubeurope.com/tags/Astrobiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrobiology</span></a> <a href="https://pubeurope.com/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://pubeurope.com/tags/Cosmology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cosmology</span></a> <a href="https://pubeurope.com/tags/PlanetaryScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlanetaryScience</span></a> <a href="https://pubeurope.com/tags/Space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Space</span></a> <a href="https://pubeurope.com/tags/SpaceExploration" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceExploration</span></a> <a href="https://pubeurope.com/tags/SpaceTechnology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceTechnology</span></a></p>
NASA<p>NASA’s Webb Scratches Beyond Surface of Cat’s Paw for 3rd Anniversary <a href="https://science.nasa.gov/missions/webb/nasas-webb-scratches-beyond-surface-of-cats-paw-for-3rd-anniversary/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">science.nasa.gov/missions/webb</span><span class="invisible">/nasas-webb-scratches-beyond-surface-of-cats-paw-for-3rd-anniversary/</span></a> <a href="https://social.beachcom.org/tags/NASA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NASA</span></a> <a href="https://social.beachcom.org/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://social.beachcom.org/tags/EmissionNebulae" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EmissionNebulae</span></a> <a href="https://social.beachcom.org/tags/GoddardSpaceFlightCenter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GoddardSpaceFlightCenter</span></a> <a href="https://social.beachcom.org/tags/JamesWebbSpaceTelescopeJWST" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JamesWebbSpaceTelescopeJWST</span></a> <a href="https://social.beachcom.org/tags/Nebulae" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nebulae</span></a> <a href="https://social.beachcom.org/tags/ScienceResearch" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ScienceResearch</span></a> <a href="https://social.beachcom.org/tags/StarFormingNebulae" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>StarFormingNebulae</span></a> <a href="https://social.beachcom.org/tags/Stars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Stars</span></a> <a href="https://social.beachcom.org/tags/TheUniverse" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TheUniverse</span></a></p>
Jack C.M<p>Whooo's there? James Webb telescope (@jwst_discovery) spots 'Cosmic Owl,' super-rare structure formed from colliding ring galaxies. Via @live_science <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23SpaceThreads" target="_blank">#SpaceThreads</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23Astrophysics" target="_blank">#Astrophysics</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23OrbitalMechanics" target="_blank">#OrbitalMechanics</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23Astronomy" target="_blank">#Astronomy</a> <a class="hashtag" rel="nofollow noopener" href="https://bsky.app/search?q=%23JWST" target="_blank">#JWST</a> 🚀 🌌 ☄️ 🛰️<br><br><a href="https://www.livescience.com/space/astronomy/whooos-there-james-webb-telescope-spots-cosmic-owl-super-rare-structure-formed-from-colliding-ring-galaxies" rel="nofollow noopener" target="_blank">Whooo's there? James Webb tele...</a></p>
Universo Mágico<p><a href="https://mastodon.online/tags/UMPlus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UMPlus</span></a> - Colors in the Sky by Tom Masterson</p><p><a href="https://www.universomagico.net/2025/07/colores-en-el-cielo-por-tom-masterson.html" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">universomagico.net/2025/07/col</span><span class="invisible">ores-en-el-cielo-por-tom-masterson.html</span></a></p><p>This image, taken by astronomer Tom Masterson, shows a landscape worthy of being from another planet, yet it's actually on Earth. The photographer chose the Los Padres National Forest, near Lockwood Valley, in California, United States. Los Padres is a favorite spot for adventurers hiking, camping, horseback.....<br><a href="https://mastodon.online/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.online/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://mastodon.online/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.online/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a></p>
ESO<p>Heads-up: we have images of a new interstellar visitor! ☄️ 👀</p><p>Comet <a href="https://mastodon.social/tags/3IATLAS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>3IATLAS</span></a> is only the third object ever spotted coming from beyond our Solar System.</p><p>In this timelapse, our Very Large Telescope in <a href="https://mastodon.social/tags/Chile" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Chile</span></a> observes the comet move across the night sky — just two days after its discovery!</p><p><a href="https://www.youtube.com/watch?v=IXJ221XXPvM" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">youtube.com/watch?v=IXJ221XXPvM</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrodon</span></a> <a href="https://mastodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://mastodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://mastodon.social/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a></p>
Thomas Weibel<p>Web app "Meton" calculating lunar phases, with enhanced eclipse prediction indicators for both lunar and solar eclipses. DM me for more details.</p><p><a href="https://www.thomasweibel.ch/meton/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">thomasweibel.ch/meton/</span><span class="invisible"></span></a></p><p><a href="https://swiss.social/tags/moon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>moon</span></a> <a href="https://swiss.social/tags/history" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>history</span></a> <a href="https://swiss.social/tags/antiquity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>antiquity</span></a> <a href="https://swiss.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://swiss.social/tags/mathematics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mathematics</span></a> <a href="https://swiss.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>physics</span></a> <a href="https://swiss.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophysics</span></a> <a href="https://swiss.social/tags/mechanics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mechanics</span></a> <a href="https://swiss.social/tags/simulation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>simulation</span></a> <a href="https://swiss.social/tags/opendata" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opendata</span></a> <a href="https://swiss.social/tags/openglam" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openglam</span></a> <a href="https://swiss.social/tags/openeducation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>openeducation</span></a> <a href="https://swiss.social/tags/digitalhumanities" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>digitalhumanities</span></a> <a href="https://swiss.social/tags/webdev" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>webdev</span></a> <a href="https://swiss.social/tags/html" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>html</span></a> <a href="https://swiss.social/tags/css" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>css</span></a> <a href="https://swiss.social/tags/javascript" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>javascript</span></a> <a href="https://swiss.social/tags/js" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>js</span></a></p>
Daniel Pomarède<p>Portrait of a galaxy cluster</p><p>A massive, spacetime-warping cluster of galaxies, Abell 209, is the setting of today’s NASA/ESA Hubble Space Telescope Picture of the Week. </p><p>Credit: ESA/Hubble &amp; NASA, M. Postman, P. Kelly<br><a href="https://esahubble.org/images/potw2527a/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">esahubble.org/images/potw2527a/</span><span class="invisible"></span></a> </p><p><a href="https://mastodon.social/tags/Cosmology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cosmology</span></a> <a href="https://mastodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://mastodon.social/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophysics</span></a> <a href="https://mastodon.social/tags/Astrodon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrodon</span></a> <a href="https://mastodon.social/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>science</span></a> <a href="https://mastodon.social/tags/galaxies" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>galaxies</span></a> <a href="https://mastodon.social/tags/galaxycluster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>galaxycluster</span></a> <a href="https://mastodon.social/tags/Hubble" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Hubble</span></a> <a href="https://mastodon.social/tags/HST" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HST</span></a> <a href="https://mastodon.social/tags/Abell209" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Abell209</span></a> <a href="https://mastodon.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a></p>