SETI Institute<p>Dr. Steve Croft is a radio astronomer working on the Breakthrough Listen technosignature search project with UC Berkeley SETI Research Center (BSRC), where he leads Listen's observational program on the 100-meter Green Bank Telescope. </p><p><a href="https://mastodon.social/tags/Astrobiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrobiology</span></a> <a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/SETI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SETI</span></a> <a href="https://mastodon.social/tags/NotJustAliens" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NotJustAliens</span></a> <a href="https://mastodon.social/tags/SometimesAliens" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SometimesAliens</span></a></p>
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#spacescience
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Westport Observatory<p>🚨 Mystery from the cosmos: The famous 1977 “Wow!” signal—once hailed as possible proof of aliens—may actually be natural. 🌌</p><p>Fresh analysis points to high-energy bursts (like from a magnetar) lighting up hydrogen clouds, not ET on the line.</p><p>The hunt continues… <a href="https://ow.ly/YEzv50WNBsT" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">ow.ly/YEzv50WNBsT</span><span class="invisible"></span></a></p><p><a href="https://vmst.io/tags/WowSignal" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WowSignal</span></a> <a href="https://vmst.io/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://vmst.io/tags/CosmicMysteries" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CosmicMysteries</span></a> <a href="https://vmst.io/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://vmst.io/tags/SETI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SETI</span></a></p>
Dr. Victoria Grinberg<p>‼️ Call open for the <a href="https://mastodon.social/tags/ESA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESA</span></a> Research Fellowship in Space Science</p><p>Deadline: 22 September</p><p>Areas: all areas covered by the ESA's Directorate of Science missions: heliophysics, planetary science, astrophysics, fundamental physics</p><p>Location: Netherlands (close to Leiden), Spain (close to Madrid) or USA (Baltimore)</p><p>Who: current PhD holders with up to ~5 years of experience & folks who will obtain their PhD before the start of fellowship in fall 2026</p><p>▶️ <a href="https://www.cosmos.esa.int/web/space-science-faculty/opportunities/research-fellowships" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cosmos.esa.int/web/space-scien</span><span class="invisible">ce-faculty/opportunities/research-fellowships</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/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a></p>
SETI Institute<p>Dr. Franck Marchis is a senior astronomer and Director of Citizen Science at the SETI Institute, Chief Science Officer and co-founder of Unistellar, and co-founder and Chief Executive Officer of SkyMapper. </p><p><a href="https://mastodon.social/tags/PlanetaryScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlanetaryScience</span></a> <a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/SETI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SETI</span></a> <a href="https://mastodon.social/tags/NotJustAliens" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NotJustAliens</span></a></p>
SETI Institute<p>Dr. Lori Fenton’s primary research interests include aeolian geomorphology, recent and ongoing climate changes, and the mobility of wind-blown sand and dust. </p><p><a href="https://mastodon.social/tags/PlanetaryScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlanetaryScience</span></a> <a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/SETI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SETI</span></a> <a href="https://mastodon.social/tags/NotJustAliens" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NotJustAliens</span></a></p>
SETI Institute<p>Dr. Megan Seritan studied lunar paleomagnetism at UC Santa Cruz, focusing on lunar swirls. Two areas with lunar swirls that are of particular interest to Dr. Seritan's work are Reiner Gamma and the Gerasimovich area. </p><p><a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/SETI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SETI</span></a> <a href="https://mastodon.social/tags/NotJustAliens" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NotJustAliens</span></a></p>
Bytes Europe<p>NASA scientists give stellar presentation at Earth and Space Science Lab | Learning And Programs <a href="https://www.byteseu.com/1292711/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">byteseu.com/1292711/</span><span class="invisible"></span></a> <a href="https://pubeurope.com/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a> <a href="https://pubeurope.com/tags/BlackHole" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlackHole</span></a> <a href="https://pubeurope.com/tags/BodiesOfTheSolarSystem" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BodiesOfTheSolarSystem</span></a> <a href="https://pubeurope.com/tags/GoddardSpaceFlightCenter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GoddardSpaceFlightCenter</span></a> <a href="https://pubeurope.com/tags/NASA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NASA</span></a> <a href="https://pubeurope.com/tags/OuterSpace" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OuterSpace</span></a> <a href="https://pubeurope.com/tags/PhysicalSciences" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PhysicalSciences</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/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Science</span></a> <a href="https://pubeurope.com/tags/SolarSystem" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SolarSystem</span></a> <a href="https://pubeurope.com/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a></p>
SETI Institute<p>Dr. Aaron Wolf’s research interests include planetary science, geochemistry, mineral physics, and statistical analysis. His work primarily focuses on understanding the role of silicate melts in driving the formation and evolution of rocky planets. </p><p><a href="https://mastodon.social/tags/Astrobiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrobiology</span></a> <a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/SETI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SETI</span></a> <a href="https://mastodon.social/tags/NotJustAliens" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NotJustAliens</span></a></p>
Pomaranč<p>From Voyager 2’s smooth blue-green view in 1986 to Webb’s breathtaking 2023 image, our vision of Uranus has transformed. Keck (2002) revealed faint rings, Hubble (2022) showed brighter tones and weather patterns, and Webb unveiled glowing rings and a luminous atmosphere.</p><p><a href="https://mastodon.social/tags/Uranus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Uranus</span></a> <a href="https://mastodon.social/tags/SpaceExploration" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceExploration</span></a> <a href="https://mastodon.social/tags/Voyager2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Voyager2</span></a> <a href="https://mastodon.social/tags/KeckObservatory" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>KeckObservatory</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/JWST" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JWST</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/OuterPlanets" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OuterPlanets</span></a> <a href="https://mastodon.social/tags/IcyGiant" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IcyGiant</span></a> <a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/PlanetaryScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PlanetaryScience</span></a></p>
SETI Institute<p>Dr. Ariel Graykowski is a Postdoctoral Fellow focused on the astronomy of small bodies, working with citizen scientists to monitor cometary activity through the Unistellar Network. </p><p>She graduated with her PhD in geophysics and space physics from UCLA's EPSS department, where she studied the properties of the irregular satellites of the giant planets as well as fragmenting comets. </p><p>Learn more: <a href="https://www.seti.org/people/ariel-graykowski/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">seti.org/people/ariel-graykows</span><span class="invisible">ki/</span></a> </p><p><a href="https://mastodon.social/tags/Astrobiology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrobiology</span></a> <a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/SETI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SETI</span></a> <a href="https://mastodon.social/tags/NotJustAliens" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NotJustAliens</span></a></p>
Mark McCaughrean<p>A fluffy Jupiter orbiting Alpha Centauri A?</p><p>Chas Beichman & collaborators used JWST to search for planets around the nearest solar analogue star & found a candidate.</p><p>It may be the same object seen in 2019 with the VLT, & if so, it'd likely be ~1 Jupiter radius & 0.5 Jupiter masses, & about -50ºC. </p><p>Confirmation needed 👍</p><p>Have just done a TV interview with Becky Morelle for <span class="h-card" translate="no"><a href="https://flipboard.com/@BBCNews" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>BBCNews</span></a></span> at 6 & 10, so look out for that later 🙂</p><p>Full paper: <a href="https://arxiv.org/abs/2508.03814" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">arxiv.org/abs/2508.03814</span><span class="invisible"></span></a></p><p><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/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a></p>
Alo Japan<p><a href="https://www.alojapan.com/1338347/japanese-astronauts-yui-and-onishi-reunite-with-a-high-five-in-space/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">alojapan.com/1338347/japanese-</span><span class="invisible">astronauts-yui-and-onishi-reunite-with-a-high-five-in-space/</span></a> Japanese Astronauts Yui and Onishi Reunite with a High-Five in Space <a href="https://channels.im/tags/InternationalSpaceStation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InternationalSpaceStation</span></a> <a href="https://channels.im/tags/Japan" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Japan</span></a> <a href="https://channels.im/tags/JapanAerospaceExplorationAgency" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JapanAerospaceExplorationAgency</span></a> <a href="https://channels.im/tags/JapanNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JapanNews</span></a> <a href="https://channels.im/tags/Japanese" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Japanese</span></a> <a href="https://channels.im/tags/JapaneseNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JapaneseNews</span></a> <a href="https://channels.im/tags/JAXA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JAXA</span></a> <a href="https://channels.im/tags/nasa" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>nasa</span></a> <a href="https://channels.im/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a> <a href="https://channels.im/tags/SpaceExploration" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceExploration</span></a> <a href="https://channels.im/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://channels.im/tags/spacex" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spacex</span></a> <a href="https://channels.im/tags/TakuyaOnishi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TakuyaOnishi</span></a> このページを 日本語 で読む Astronaut Kimiya Yui, 55, of the Japan Aerospace Exploration Agency (JAXA) launched from NASA’s Kennedy Space Center in Florida aboard SpaceX’s Crew Dragon spacecraft. The launch took plac</p>
SETI Post-Detection Hub<p>Hundreds of NASA employees and supporters have signed the <a href="https://mastodon.social/tags/VoyagerDeclaration" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>VoyagerDeclaration</span></a>, formally expressing dissent against budget cuts and attacks on key NASA missions.</p><p>This action follows similar statements from <a href="https://mastodon.social/tags/NIH" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NIH</span></a> and <a href="https://mastodon.social/tags/EPA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EPA</span></a> communities, voicing objection to the unlawful policies of the Trump administration.</p><p><a href="https://www.standupforscience.net/nasa-voyager-declaration" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">standupforscience.net/nasa-voy</span><span class="invisible">ager-declaration</span></a> <a href="https://mastodon.social/tags/StandUpForScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>StandUpForScience</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/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/NASA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NASA</span></a></p>
Dr. Victoria Grinberg<p><a href="https://mastodon.social/tags/ESA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESA</span></a> Science Newsletter!</p><p>* Call for Expressions of Interest to become Member of the AWG/SSEWG & SSAC<br>* <a href="https://mastodon.social/tags/SolarOrbiter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SolarOrbiter</span></a> gets world-first views of the Sun’s poles<br>* Date and content of next <a href="https://mastodon.social/tags/Gaia" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Gaia</span></a> Data Release<br>* Vacancy: <a href="https://mastodon.social/tags/Cheops" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Cheops</span></a> Project Scientist – advance notice<br>* Vacancy: Payload Validation Engineer<br>* Winter school: The exploration of Jupiter & its moons by ESA’s <a href="https://mastodon.social/tags/Juice" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Juice</span></a> mission<br>* Results of the 9th call for the Archival Research Visitor Programme</p><p>▶️ <a href="https://www.cosmos.esa.int/web/scinews/2025-05" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cosmos.esa.int/web/scinews/202</span><span class="invisible">5-05</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/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a></p>
Mark McCaughrean<p>If you're so minded, you can take a listen to the interview I did with Valerie Sanderson on the BBC World Service about the new interstellar interloper, Comet 3I/ATLAS, & what it means for science & future missions like ESA's Comet Interceptor.</p><p>It starts at 13m18s into today's episode of The Newsroom:</p><p><a href="https://www.bbc.co.uk/sounds/play/w172zwl4vgrjpv5" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">bbc.co.uk/sounds/play/w172zwl4</span><span class="invisible">vgrjpv5</span></a></p><p><a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a></p>
Alo Japan<p><a href="https://www.alojapan.com/1319119/japan-shifts-space-policy-from-science-to-security/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">alojapan.com/1319119/japan-shi</span><span class="invisible">fts-space-policy-from-science-to-security/</span></a> Japan Shifts Space Policy from Science to Security #<a href="https://channels.im/tags/visitjapanjp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>visitjapanjp</span></a> <a href="https://channels.im/tags/BasicSpaceAct" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BasicSpaceAct</span></a> <a href="https://channels.im/tags/CabinetSatelliteIntelligenceCenter" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CabinetSatelliteIntelligenceCenter</span></a> <a href="https://channels.im/tags/epsilon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>epsilon</span></a> <a href="https://channels.im/tags/GPS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GPS</span></a> <a href="https://channels.im/tags/Japan" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Japan</span></a> <a href="https://channels.im/tags/JapanNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>JapanNews</span></a> <a href="https://channels.im/tags/michibiki" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>michibiki</span></a> <a href="https://channels.im/tags/MitsuruNodomi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MitsuruNodomi</span></a> <a href="https://channels.im/tags/news" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>news</span></a> <a href="https://channels.im/tags/space" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>space</span></a> <a href="https://channels.im/tags/SpaceOperationsGroup" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceOperationsGroup</span></a> <a href="https://channels.im/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://channels.im/tags/SpaceSecurityInitiative" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceSecurityInitiative</span></a> As space becomes a contested, congested, and competitive domain, Japan is rapidly transforming its approach to space development. A recent lecture by Mitsuru Nodomi, former Director of the Cabinet</p>
Dr. Victoria Grinberg<p>Call for Expression of Interest to become a member of the European Space Agency Science Advisory Structure:</p><p>▶️ <a href="https://www.cosmos.esa.int/web/expression-of-interest-for-science-advisory-members-2025" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cosmos.esa.int/web/expression-</span><span class="invisible">of-interest-for-science-advisory-members-2025</span></a></p><p>Through the present Call, the <a href="https://mastodon.social/tags/ESA" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESA</span></a> Director of Science invites scientists affiliated with institutions in the ESA Member States to express their interest in being a member of the Space Science Advisory Committee (SSAC), Astronomy Working Group (AWG), or the Solar System and Exploration Working Group (SSEWG).</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/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a></p>
Mark McCaughrean<p>Welcome to the neighbourhood, 3I/ATLAS, if only briefly 😬✌️</p><p>A new interstellar object has been found skimming through our solar system, only the third after 1I/'Oumumua & 2I/Borisov ☄️</p><p>This new object, detected by the ATLAS telescope in Chile, will make its closest approach to the Sun in late October, inside the orbit of Mars, & then barrel out again at more than 200,000 kmh 👀</p><p>More at: <a href="https://www.esa.int/ESA_Multimedia/Images/2025/07/ESA_observes_interstellar_comet_3I_ATLAS" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">esa.int/ESA_Multimedia/Images/</span><span class="invisible">2025/07/ESA_observes_interstellar_comet_3I_ATLAS</span></a></p><p><a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a></p><p>Image credit: NASA/JPL-Caltech</p>
StellarSnap<p>📸 Nova V462 Lupi Now Visible<br>A rare celestial event is underway in the southern sky. Nova Lupi 2025 is a thermonuclear explosion on a white dwarf, discovered mid-June and now visible with binoculars. Even more rare: Nova Velorum 2025 is visible too, making two simultaneous novas!</p><p>📅 July 3, 2025<br>📷 Credit: Matipon Tangmatitham (NARIT)</p><p><a href="https://mastodon.social/tags/APOD" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>APOD</span></a> <a href="https://mastodon.social/tags/Nova" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nova</span></a> <a href="https://mastodon.social/tags/V462Lupi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>V462Lupi</span></a> <a href="https://mastodon.social/tags/NovaVelorum" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NovaVelorum</span></a> <a href="https://mastodon.social/tags/MilkyWay" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MilkyWay</span></a> <a href="https://mastodon.social/tags/Lupus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Lupus</span></a> <a href="https://mastodon.social/tags/Vela" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Vela</span></a> <a href="https://mastodon.social/tags/Stargazing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Stargazing</span></a> <a href="https://mastodon.social/tags/BinocularView" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BinocularView</span></a> <a href="https://mastodon.social/tags/NightSky" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NightSky</span></a> <a href="https://mastodon.social/tags/SpaceEvent" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceEvent</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/Astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophotography</span></a> <a href="https://mastodon.social/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a> <a href="https://mastodon.social/tags/StellarSnap" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>StellarSnap</span></a></p>
Loki the Cat<p>Meet A11pl3Z: our solar system's third interstellar tourist, clocking 152,000 mph and up to 12 miles wide. It's like having a cosmic RV barrel through your neighborhood - impressive, slightly concerning, and definitely not staying for dinner.</p><p><a href="https://science.slashdot.org/story/25/07/03/0041226/a-new-interstellar-visitor-has-entered-the-solar-system" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">science.slashdot.org/story/25/</span><span class="invisible">07/03/0041226/a-new-interstellar-visitor-has-entered-the-solar-system</span></a></p><p><a href="https://toot.community/tags/InterstellarObject" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>InterstellarObject</span></a> <a href="https://toot.community/tags/Astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astronomy</span></a> <a href="https://toot.community/tags/SpaceScience" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SpaceScience</span></a></p>
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