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titaniumbiscuit<p><span class="h-card" translate="no"><a href="https://wandering.shop/@cstross" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>cstross</span></a></span> good point! 😅 Hm, now I'm wondering: <a href="https://nerdculture.de/tags/blackholes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>blackholes</span></a> are described as the curvature of spacetime approaching infinity. What about *negative* infinity then? Are there theories about that? Natively, I would think that this would then be antigravity, i.e. a point that you could never reach, even if you traveled at the speed of light. <a href="https://nerdculture.de/tags/astrodon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrodon</span></a> <a href="https://nerdculture.de/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>physics</span></a></p>
Stanley Nerdlinger II<p>I emailed Neil Tyson Degrasse asking him if lasagna crosses the event horizon of a black hole does it become spaghetti?</p><p><a href="https://beige.party/tags/nerlingersjokes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>nerlingersjokes</span></a> <a href="https://beige.party/tags/space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>space</span></a> <a href="https://beige.party/tags/deepthoughts" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>deepthoughts</span></a> <a href="https://beige.party/tags/blackholes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>blackholes</span></a></p>
readbeanicecream<p>NASA Just Found a Supermassive Black Hole Rotating the Wrong Way</p><p><a href="https://scitechdaily.com/nasa-just-found-a-supermassive-black-hole-rotating-the-wrong-way/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">scitechdaily.com/nasa-just-fou</span><span class="invisible">nd-a-supermassive-black-hole-rotating-the-wrong-way/</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/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>physics</span></a> <a href="https://mastodon.social/tags/blackholes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>blackholes</span></a></p>
MPI for Gravitational Physics<p>Yesterday, we completely forgot to tell you about the latest gravitational-wave candidate. Let's remedy that right now!</p><p>Both <span class="h-card" translate="no"><a href="https://astrodon.social/@LIGO" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LIGO</span></a></span> detectors and Virgo detected the possible signal S250304cb at (our) breakfast time on 4&nbsp;March.</p><p>If it is real, it came from a merger of two black holes at a (luminosity) distance of around 5.8&nbsp;billion light-years.</p><p>ℹ️ <a href="https://gracedb.ligo.org/superevents/S250304cb/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250304cb/view/</span></a> [GraceDB]</p><p>ℹ️ <a href="https://gcn.nasa.gov/circulars?query=S250304cb" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gcn.nasa.gov/circulars?query=S</span><span class="invisible">250304cb</span></a> [related GCN Circulars]</p><p>Edit: added links</p><p><a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/O4IsHere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4IsHere</span></a> <a href="https://astrodon.social/tags/S250304cb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250304cb</span></a></p>
Benjamin Carr, Ph.D. 👨🏻‍💻🧬<p>Gaia Detected Swarm of <a href="https://hachyderm.io/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> Moving Through <a href="https://hachyderm.io/tags/MilkyWay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MilkyWay</span></a><br>Cluster of <a href="https://hachyderm.io/tags/stars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>stars</span></a> spilling across has secret hidden in its heart: a swarm of over 100 stellar-mass black holes.<br>Star cluste called <a href="https://hachyderm.io/tags/Palomar5" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Palomar5</span></a>. It's a stellar stream that stretches out across 30,000 light-years, and is located around 80,000 light-years away.<br>They're very dense and spherical, typically containing roughly 100,000 to 1 million very old stars; some, like NGC 6397, are nearly as old as Universe itself. <br><a href="https://www.sciencealert.com/gaia-detected-an-entire-swarm-of-black-holes-moving-through-the-milky-way" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">sciencealert.com/gaia-detected</span><span class="invisible">-an-entire-swarm-of-black-holes-moving-through-the-milky-way</span></a></p>
MPI for Gravitational Physics<p>🚨 Postdoctoral positions in Computational Relativistic Astrophysics at our Potsdam institute 🚨</p><p>The “Computational Relativistic Astrophysics” department at the <span class="h-card" translate="no"><a href="https://astrodon.social/@mpi_grav" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mpi_grav</span></a></span> in Potsdam led by Masaru Shibata announces the opening of postdoc appointments (2&nbsp;years).</p><p>The department is currently composed of two group leaders, one senior scientist, and several postdoc researchers and students.</p><p>It focuses on several research topics in relativistic computational astrophysics including neutron star merger, collapsar, stellar core collapse and explosion, formation of supermassive black holes, and multi-messenger astronomy.</p><p>📅 apply by 25&nbsp;March 2025</p><p>ℹ️ <a href="https://www.aei.mpg.de/1227727/car-postdoc-2025" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/1227727/car-postdoc</span><span class="invisible">-2025</span></a></p><p><a href="https://astrodon.social/tags/Postdoc" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Postdoc</span></a> <a href="https://astrodon.social/tags/PostdocPosition" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PostdocPosition</span></a> <a href="https://astrodon.social/tags/Potsdam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Potsdam</span></a> <a href="https://astrodon.social/tags/Astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astrophysics</span></a> <a href="https://astrodon.social/tags/MaxPlanckSociety" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MaxPlanckSociety</span></a> <a href="https://astrodon.social/tags/Relativity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Relativity</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/NeutronStars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeutronStars</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a></p>
Flipboard Science Desk<p>Astronomers have discovered a black hole jet that erupted into existence when the universe was less than 1.2 billion years old, or roughly 9% its current age. The jet spans 200,000 light-years — twice the width of the Milky Way. "We were amazed, but also skeptical, so we made sure to assemble all the evidence before publishing this work," research lead Anniek Gloudemans said. Read more at <span class="h-card" translate="no"><a href="https://flipboard.com/@LiveScience" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LiveScience</span></a></span> </p><p><a href="https://flip.it/S6YLGM" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">flip.it/S6YLGM</span><span class="invisible"></span></a></p><p><a href="https://flipboard.social/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://flipboard.social/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://flipboard.social/tags/MilkyWay" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MilkyWay</span></a> <a href="https://flipboard.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a> <a href="https://flipboard.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a></p>
MPI for Gravitational Physics<p>Angela Borchers Pascual is a PhD student in the <span class="h-card" translate="no"><a href="https://wisskomm.social/@maxplanckgesellschaft" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>maxplanckgesellschaft</span></a></span> independent research group “Binary Merger Observations and Numerical Relativity”.</p><p>Her research is focused on black-hole binaries, where two black holes merge to form a remnant black hole. She is particularly interested in asymmetric systems, where the remnant black hole can gain a recoil or kick velocity, traveling away from the binary and sometimes even their host galaxies. This process is imprinted in the radiated gravitational-wave signal.</p><p>Her work is centred around the interpretation and modelling of these signatures, to better understand the sources of the signals observed in current and future gravitational-wave detectors.</p><p>ℹ️ <a href="https://www.aei.mpg.de/632031/angela-borchers-pascual" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/632031/angela-borch</span><span class="invisible">ers-pascual</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/PhD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhD</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Hannover" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Hannover</span></a></p>
MPI for Gravitational Physics<p>Dr. Elisa Maggio is a Marie Curie Fellow at our institute in Potsdam with a research project titled “Testing the horizon of black holes with gravitational waves” (ThorGW).</p><p>Her research is focused on tests of gravity in the strong-field regime with gravitational-wave observations. She works on tests of the nature of the black holes by modeling the gravitational waveform emitted by compact binary coalescences.</p><p>ℹ️ <a href="https://www.aei.mpg.de/887823/elisa-maggio" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">aei.mpg.de/887823/elisa-maggio</span><span class="invisible"></span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/MarieCurieFellow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MarieCurieFellow</span></a> <a href="https://astrodon.social/tags/Relativity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Relativity</span></a> <a href="https://astrodon.social/tags/Gravity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gravity</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Potsdam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Potsdam</span></a> <a href="https://astrodon.social/tags/ThorGW" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ThorGW</span></a></p>
MPI for Gravitational Physics<p>Elise Sänger, a PhD student in the “Astrophysical and Cosmological Relativity” department, works on testing general relativity by studying the gravitational waves emitted during the inspiral of binary black holes.</p><p>The shape of the emitted gravitational waves is predicted by general relativity, so she tries to search for differences between the shape of detected gravitational waves and the predictions. Her research focuses on finding deviations in the waveform during the inspiral phase, when the two black holes are orbiting each other before they merge.</p><p>ℹ️ <a href="https://www.aei.mpg.de/997819/elise-saenger" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/997819/elise-saenge</span><span class="invisible">r</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/PhD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>PhD</span></a> <a href="https://astrodon.social/tags/Relativity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Relativity</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Potsdam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Potsdam</span></a></p>
MPI for Gravitational Physics<p>August Muller is a Fulbright research fellow in the “Astrophysical and Cosmological Relativity” department, working with Dr. Elisa Maggio.</p><p>She investigates how the upcoming <span class="h-card" translate="no"><a href="https://astrodon.social/@LISA" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LISA</span></a></span> gravitational-wave observatory can be used to test general relativity. LISA will see the first gravitational-wave signals from merging supermassive black holes, including the ringdown phase of the signal which is produced after the two black holes have already merged. Her research investigates how this ringdown signal may differ if the two black holes merge into an exotic object rather than a black hole in general relativity, in order to determine how well LISA will be able to distinguish these post-merger objects.</p><p>ℹ️ <a href="https://www.aei.mpg.de/1220257/august-muller" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">aei.mpg.de/1220257/august-mull</span><span class="invisible">er</span></a></p><p><a href="https://astrodon.social/tags/IDWGS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IDWGS</span></a> <a href="https://astrodon.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInSTEM</span></a> <a href="https://astrodon.social/tags/WomenInScience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WomenInScience</span></a> <a href="https://astrodon.social/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://astrodon.social/tags/Fulbright" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Fulbright</span></a> <a href="https://astrodon.social/tags/ResearchFellow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ResearchFellow</span></a> <a href="https://astrodon.social/tags/Relativity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Relativity</span></a> <a href="https://astrodon.social/tags/Gravity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gravity</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/Research" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Research</span></a> <a href="https://astrodon.social/tags/Potsdam" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Potsdam</span></a></p>
Dr. Victoria Grinberg<p>What did you always wonder about <a href="https://mastodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a>? Something that you always wanted to ask an astronomer working on them?</p><p>Collecting questions for a reason, maybe even answering them in the comments (or at a later point).</p><p><a href="https://mastodon.social/tags/VicisAstro" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>VicisAstro</span></a></p>
MPI for Gravitational Physics<p>There have been two more gravitational-wave candidates in the last 24&nbsp;hours. Both came - if they are real - from mergers of black holes.</p><p>1️⃣ S250207bg (<a href="https://gracedb.ligo.org/superevents/S250207bg/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250207bg/view/</span></a>) is from a (luminosity) distance of around 1.8&nbsp;billion light years. The signal seems to be very “loud” because the false-alarm rate is 1 in 6,000,000,000,000,000,000,000,000,000,000,000 years. 🤯</p><p>2️⃣ S250208ad (<a href="https://gracedb.ligo.org/superevents/S250208ad/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250208ad/view/</span></a>) is from a (luminosity) distance of around 11.3&nbsp;billion light years.</p><p><a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/O4IsHere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4IsHere</span></a> <a href="https://astrodon.social/tags/S250207bg" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250207bg</span></a> <a href="https://astrodon.social/tags/S250208ad" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>S250208ad</span></a> <a href="https://astrodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>physics</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a></p>
MPI for Gravitational Physics<p>Yesterday, there was another new gravitational-wave candidate. If the signal called S250204ax is real, it most likely came from the merger of two black holes.</p><p>The (luminosity) distance is about 6.7&nbsp;billion light-years.</p><p>ℹ️ <a href="https://gracedb.ligo.org/superevents/S250204ax/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250204ax/view/</span></a> [<span class="h-card" translate="no"><a href="https://astrodon.social/@LIGO" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LIGO</span></a></span> GraceDB]<br>ℹ️ <a href="https://gcn.nasa.gov/circulars?query=S250204ax" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gcn.nasa.gov/circulars?query=S</span><span class="invisible">250204ax</span></a> [related GCN Circulars]</p><p><a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astronomy</span></a> <a href="https://astrodon.social/tags/O4IsHere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4IsHere</span></a> <a href="https://astrodon.social/tags/astrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>astrophysics</span></a></p>
Flipboard Science Desk<p>How many black holes are hiding in outer space? An analysis of galaxies surveyed by a large international consortium of researchers is working on an answer. <span class="h-card" translate="no"><a href="https://flipboard.com/@ScienceAlert" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>ScienceAlert</span></a></span> explores: </p><p><a href="https://flip.it/jxblZe" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">flip.it/jxblZe</span><span class="invisible"></span></a></p><p><a href="https://flipboard.social/tags/Science" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Science</span></a> <a href="https://flipboard.social/tags/Space" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Space</span></a> <a href="https://flipboard.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://flipboard.social/tags/SpaceExploration" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SpaceExploration</span></a> <a href="https://flipboard.social/tags/Stars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Stars</span></a></p>
NASA<p>Black Holes Can Cook for Themselves, Chandra Study Shows <a href="https://www.nasa.gov/image-article/black-holes-can-cook-for-themselves-chandra-study-shows/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nasa.gov/image-article/black-h</span><span class="invisible">oles-can-cook-for-themselves-chandra-study-shows/</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/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://social.beachcom.org/tags/ChandraXRayObservatory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ChandraXRayObservatory</span></a> <a href="https://social.beachcom.org/tags/Galaxies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Galaxies</span></a> <a href="https://social.beachcom.org/tags/GalaxiesStarsBlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GalaxiesStarsBlackHoles</span></a> <a href="https://social.beachcom.org/tags/GalaxiesStarsBlackHolesResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GalaxiesStarsBlackHolesResearch</span></a> <a href="https://social.beachcom.org/tags/MarshallAstrophysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MarshallAstrophysics</span></a> <a href="https://social.beachcom.org/tags/MarshallScienceResearchProjects" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MarshallScienceResearchProjects</span></a> <a href="https://social.beachcom.org/tags/MarshallSpaceFlightCenter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MarshallSpaceFlightCenter</span></a> <a href="https://social.beachcom.org/tags/SupermassiveBlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SupermassiveBlackHoles</span></a></p>
NASA<p>Black Holes Can Cook for Themselves, Chandra Study Shows <a href="https://www.nasa.gov/image-article/black-holes-can-cook-for-themselves-chandra-study-shows/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nasa.gov/image-article/black-h</span><span class="invisible">oles-can-cook-for-themselves-chandra-study-shows/</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/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://social.beachcom.org/tags/ChandraXRayObservatory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ChandraXRayObservatory</span></a> <a href="https://social.beachcom.org/tags/Galaxies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Galaxies</span></a> <a href="https://social.beachcom.org/tags/GalaxiesStarsBlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GalaxiesStarsBlackHoles</span></a> <a href="https://social.beachcom.org/tags/GalaxiesStarsBlackHolesResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GalaxiesStarsBlackHolesResearch</span></a> <a href="https://social.beachcom.org/tags/MarshallSpaceFlightCenter" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MarshallSpaceFlightCenter</span></a> <a href="https://social.beachcom.org/tags/SupermassiveBlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SupermassiveBlackHoles</span></a></p>
NASA<p>NICER Status Update <a href="https://www.nasa.gov/universe/nicer-status-update/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nasa.gov/universe/nicer-status</span><span class="invisible">-update/</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/ActiveGalaxies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ActiveGalaxies</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/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://social.beachcom.org/tags/Galaxies" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Galaxies</span></a> <a href="https://social.beachcom.org/tags/GalaxiesStarsBlackHolesResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GalaxiesStarsBlackHolesResearch</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/InternationalSpaceStationISS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>InternationalSpaceStationISS</span></a> <a href="https://social.beachcom.org/tags/NeutronStars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NeutronStars</span></a> <a href="https://social.beachcom.org/tags/NICERNeutronStarInteriorCompositionExplorer" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NICERNeutronStarInteriorCompositionExplorer</span></a> <a href="https://social.beachcom.org/tags/Pulsars" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Pulsars</span></a> <a href="https://social.beachcom.org/tags/ScienceResearch" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ScienceResearch</span></a></p>
Michael Vera<p>What if the theoretical concept of a Black Hole is just a divide-by-zero error in Newton’s Law of Universal Gravitation? Could this mathematical artifact be masking a deeper truth about the universe? Let’s rethink the foundations. </p><p><a href="https://mastodon.michaelvera.org/tags/Physics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Physics</span></a> <a href="https://mastodon.michaelvera.org/tags/TheoreticalPhysics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TheoreticalPhysics</span></a> <a href="https://mastodon.michaelvera.org/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://mastodon.michaelvera.org/tags/Gravitation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Gravitation</span></a> <a href="https://mastodon.michaelvera.org/tags/Curiosity" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Curiosity</span></a> <a href="https://mastodon.michaelvera.org/tags/UnifiedTheoryOfEnergy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UnifiedTheoryOfEnergy</span></a> <a href="https://mastodon.michaelvera.org/tags/UTE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>UTE</span></a></p>
MPI for Gravitational Physics<p>And yet another gravitational-wave candidate! This means that the international network of detectors has identified four new possible gravitational wave signals in the space of 24.5 hours.</p><p>The candidate called S250119ag came – if real – from the merger of two black holes at a (luminosity) distance of 8.5&nbsp;billion light-years.</p><p>The data for the identification of this candidate came from both <span class="h-card" translate="no"><a href="https://astrodon.social/@LIGO" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>LIGO</span></a></span> detectors and from Virgo.</p><p>ℹ️ <a href="https://gracedb.ligo.org/superevents/S250119ag/view/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">gracedb.ligo.org/superevents/S</span><span class="invisible">250119ag/view/</span></a> [GraceDB]<br>ℹ️ <a href="https://gcn.nasa.gov/circulars/38978" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">gcn.nasa.gov/circulars/38978</span><span class="invisible"></span></a> [GCN Circular]</p><p><a href="https://astrodon.social/tags/O4IsHere" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>O4IsHere</span></a> <a href="https://astrodon.social/tags/GravitationalWaves" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GravitationalWaves</span></a> <a href="https://astrodon.social/tags/BlackHoles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BlackHoles</span></a> <a href="https://astrodon.social/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Astronomy</span></a></p>