Black Holes as ETI Quantum Computing Tools: A Novel SETI Technosignature Approach

Dvali & Osmanov propose advanced ETI would use microscopic black holes for maximal quantum computing efficiency. The resulting Hawking radiation, detectable by IceCube within specific BH count ranges, offers a new SETI technosignature beyond radio and infrared.

#QuantumComputing #SETI #BlackHoles

#Chandra resolves why #blackholes hit the #brakes on #growth

A new X-ray survey explains why supermassive black holes grow slower today. They can no longer consume material as rapidly as they did 10 billion years ago during "cosmic noon." scitechupdates.com/c...

Two supermassive black holes are on a collision course It's the first time astronomers have ever witnessed the stunning cosmic event.

At the center of the galaxy Markarian 501, there appears to be not just one supermassive black hole, but two. Radio observations over several years suggest that the duo could merge in as short as 100 years. www.popsci.com/science/blac... #radioastronomy #blackholes @popsci.com

Finite Hilbert Space and Maximum Mass Bound for Schwarzschild Black Holes via Generalized Uncertainty Principle

GUP quantization of the Schwarzschild BH reduced phase space yields a discrete finite mass spectrum, strict upper bound M²_max < m²_P/2β, bounded entropy, and regulated Hawking temperature. Astrophysical data constrain β ≲ 10⁻⁹⁸.

#QuantumGravity #BlackHoles #Research

Can light have a wavelength smaller than the Planck length?

Brian Cox, Neil deGrasse Tyson, and Chuck Nice discuss the answer on the podcast StarTalk.

#physics #blackholes #science #plancklength #quantumphysics

NEW SCIENCE We Finally Know Why Artemis III Will Never Land On The Moon NEW SCIENCE Are We Talking About Artemis II Too Much? 🟇🟈 Our oceans have learn...

#newscience NEW SCIENCE #galaxies #universe #science #lightyear #blackholes #chemicals #chemicalreactions #neutrinos #plasticwaste #climatechange #climate #change #Artemis3
tom-gillispie.blogspot.com/2025/03/new-...

✨ We’re excited to share that Jenann Ismael (Johns Hopkins University) will be joining us as a speaker at our 9th Annual Conference. ✨

www.instagram.com/p/DW9JkKoDsnr/

#BHIConference #BlackHoleInitiative
#BlackHoles #JenannIsmael #BHI #philosophy @johnshopkinsu #johnshopkinsu

C’est l’excitation chez les astronomes : deux trous noirs monstrueux détectés alors qu’ils vont fusionner ! Des astronomes viennent probablement de réaliser une observation inédite : deux trous noirs supermassifs au cœur d’une seule et même galaxie. Ils semblent pris dans une spirale infernale.

Deux trous noirs supermassifs aurait été découverts sur une trajectoire de fusion imminente, suscitant l’excitation des astronomes et promettant de nouvelles fenêtres sur la gravité extrême 🌀
www.futura-sciences.com/sciences/act...
#Space #Science #Innovation #Astrophysics #BlackHoles #Gravitation

Original post on mastodon.social

Deux trous noirs supermassifs aurait été découverts sur une trajectoire de fusion imminente, suscitant l’excitation des astronomes et promettant de nouvelles fenêtres sur la gravité extrême 🌀🌌 […]

Record-Breaking Neutrino May Be Linked to Exploding Primordial Black Hole In 2023, scientists observed a neutrino hitting Earth with an energy level far beyond any known natural cosmic source, about 100,000 times greater than the output of the Large Hadron Collider. Researchers at the University of Massachusetts Amherst propose that this extraordinary particle may have originated from the explosive death of a quasi-extremal primordial black hole (PBH), a rare type of black hole theorized to form shortly after the Big Bang. Unlike regular black holes, these PBHs could carry a mysterious 'dark charge,' emitting intense bursts of energy and potentially revealing previously unknown particles, including candidates for dark matter. The team’s study, published in Physical Review Letters, explains how this event aligns with predictions for neutrinos generated by PBH explosions. Interestingly, only the KM3NeT detector observed the event, while IceCube did not, suggesting that such PBHs may be rare or have selective emission properties due to the dark charge. The findings could provide crucial insights into Hawking radiation, the fundamental structure of the universe, and the elusive nature of dark matter. If verified, these observations may open new pathways for discovering both known and hypothetical particles beyond the Standard Model.

Record-Breaking Neutrino May Be Linked to Exploding Primordial Black Hole

🤖 IA: It's clickbait ⚠️
👥 Usuarios: It's clickbait ⚠️

#neutrino #blackholes #darkmatter

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Observe the collision of 2 #blackholes, "creating gravitational waves 50x the output power of all the stars in the Universe COMBINED... in a fraction of a second."
- #KipThrone, CalTech Astrophysicist

▶️ How One of the Universe’s Biggest Secrets Was Discovered - NOVA
youtube.com/watch?v=31he...

Original post on mastodon.social

Observe the collision of 2 #blackholes, "creating gravitational waves 50x the output power of all the stars in the Universe COMBINED... in a fraction of a second."
- #KipThrone, CalTech Astrophysicist

▶️ How One of the Universe’s Biggest Secrets Was Discovered - NOVA […]

lease join us on 04.13.26 at 11 a.m. for our next Colloquium with BHI Fellow Simon Heuveline.

Please register here: bit.ly/4mkjDjm

An Invitation to Self-Dual Gravity

#bhi #blackholeinitiative #bhicolloquium #blackhole #harvarduniversity #harvard #blackholes #physics #SimonHeuveline

RE: https://mastodon.social/@ehtelescope/116365375880098666

Perfino quell'upupa ha una carriera scientifica migliore della mia

Even that hoopoe has a better scientific career than me

#birb #upupa #uccelli #astrofisica #BuchiNeri #eht #hoopoe #birds #astrophysics #BlackHoles #BirdsOfMastodon

A cosmic dead zone for black holes is a shocking reality A cosmic dead zone for black holes is confirmed by new LIGO gravitational wave data. Researchers identified a pair-instability gap where mas...

#Research #Astrophysics #BlackHoles #GravitationalWaves […]

[Original post on nasaspacenews.com]

Big Data in Astronomy: Surveys, Catalogs, Databases and Archives We present the modern situation in astronomy, where Big Data coming from the Universe put new tasks for catalogizing, storage, archiving, analysis and usage of the scientific information. The two major characteristics of modern astronomy are multiwavelength (MW) studies (from \ga

📄 Big Data in Astronomy: Surveys, Catalogs, Databases and Archives

Quicklook:
Mickaelian, A. M. et al. (2020) · Communications of the Byurakan Astrophysical Observatory
Reads: 0 · Citations: 2
DOI: 10.52526/25792776-2020.6…

#Astronomy #Astrophysics #BlackHoles #RadioAstronomy

The hungriest black holes in the universe are running out of food, survey of 8,000 cosmic monsters reveals Astronomers studied 1.3 million galaxies and 8,000 X-ray-spewing supermassive black holes to find out why these gravitational monsters are growing more slowly than ever.

The hungriest #blackholes in the #universe are running out of #food, survey of 8,000 #cosmic monsters reveals

www.livescience.com/space/black-...

#BlackHoles Astronauts appear weightless not because gravity is absent, but because both the spacecraft and its crew are in free fall around the Earth. By sharing the same acceleration, the sensation of weight disappears inside the spacecraft. #iTeachPhysics #Physics

NEW SCIENCE Our oceans have learnt how to EAT PLASTIC! NEW SCIENCE The Breakthrough That Could Solve Ocean Plastic 🟇🟈 The Most Important Piece of Scie...

#newscience NEW SCIENCE #galaxies #universe #science #lightyear #blackholes #chemicals #chemicalreactions #neutrinos #plasticwaste #climatechange #climate #change
tom-gillispie.blogspot.com/2025/03/new-...

Please join us on 04.06.26 at 11 a.m. for our next Colloquium with Maria Charisi from Washington State University.

bit.ly/4e7vlgK

Please register here: bit.ly/4mkjDjm

#bhi #blackholeinitiative #bhicolloquium #blackhole #harvarduniversity #harvard #MariaCharisi #wsupullman #blackholes #Astronomy

Gravitational-wave catalog reveals long-predicted ‘missing’ range in black hole masses Analysis of dozens of LIGO-Virgo-KAGRA mergers finds evidence for the pair-instability mass gap, linking black hole sizes to stellar deaths.

Gravitational-wave catalog reveals long-predicted ‘missing’ range in black hole masses

#gravitationalwaves #blackholes #ligo #astrophysics #stars

Black Hole Simulation A browser-based black hole visualization with Schwarzschild lensing based on the exact Binet equation, approximate spin effects, accretion-flow models, presentation presets, and recording tools.

This is my new favorite thing on the Internet.

#BlackHoles #Space

🌟 Meet Prathamesh Ingale, TALES Doctoral Candidate at the University of Crete! From Pune to Bonn to Crete, he's unravelling the physics of black holes one X-ray dataset at a time. 🔭

👉 tales.astro.noa.gr/news/

#Astrophysics #BlackHoles #EarlyCareerResearcher #TALES #MSCA #PhD #AGN

Black hole mergers put limits on star-destroying supernovae https://arstechni.ca #gravitationalwaves #blackholemergers #astrophysics #blackholes #astronomy #supernova #Science #LIGO

Did you know the Sun is hurtling through space around a supermassive black hole?🧪

Amanda Peake, a PhD candidate at the MIT Kavli Institute, breaks down the surprising physics behind Earth’s motion through the galaxy.

#Space #Science #BlackHoles #NASA #Astronomy

Astronomers Observe Unprecedented Long-Lasting Gamma-Ray Burst with Webb Telescope Astronomers have observed an extraordinary cosmic event, GRB 250702B, that challenges current understanding of stellar explosions. Detected by NASA's James Webb Space Telescope along with a network of global observatories, this gamma-ray burst lasted an unprecedented seven hours, far longer than typical bursts that usually fade in less than a minute. The event exhibited unusual X-ray activity even a day prior to the main burst. Observations from instruments including China's Einstein Probe and the NSF's Very Large Array revealed extreme properties suggesting multiple possible explanations, including an unusually intense gamma-ray burst, a tidal disruption event by a massive black hole, or a smaller black hole merging with a stripped helium star. The burst emitted powerful jets of energy and was so intense that it required a combination of space-based and ground-based telescopes to fully capture its gamma rays, X-rays, infrared light, and radio signals. Hubble and Webb imagery identified the event’s host galaxy about 8 billion light-years away, with complex structures and dust lanes. Despite extensive observations, researchers have not reached a definitive conclusion about the origin of GRB 250702B, making it a rare and significant event that could reveal new insights into black hole and star interactions.

Astronomers Observe Unprecedented Long-Lasting Gamma-Ray Burst with Webb Telescope

🤖 IA: It's clickbait ⚠️
👥 Usuarios: It's clickbait ⚠️

#gammarayburst #blackholes #jameswebbtelescope

View full AI summary:

Never not thinking about #blackholes #watercolor #art

Una presentazione del 22 marzo 2019 dal titolo "I buchi neri sono davvero così neri come li si dipinge?" ispirata dalle ricerche e dall'opera divulgativa di Stephen Hawking. #physics #blackholes #stephenhawking www.youtube.com/watch?v=piz_...

In Expanding de Sitter Space, Quantum Mechanics Gets Even More Elusive | Quanta Magazine The basic shape that best describes our expanding universe is also the hardest shape for physicists to understand.

In #Expanding #deSitterSpace, #QuantumMechanics Gets Even More Elusive | #QuantaMagazine. #Space #Universe #Reality #physics #maths #Blackholes #deSitter
www.quantamagazine.org/in-expanding...

✨ We’re excited to share that Nicolás Yunes (University of Illinois Urbana–Champaign) will be joining us as a speaker at our 9th Annual Conference. ✨

bit.ly/4sLlKRv

#BHIConference #BlackHoleInitiative
#BlackHoles #NicolasYunes #BHI @illinois1867 #illinois1867 #physics