#blackholes

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@astrodisastro@scicomm.xyz · Apr 08, 2026
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
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Event Horizon Telescope @ehtelescope@mastodon.social

This feathered visitor recently stopped by the IRAM 30-m telescope to assist with EHT observations.

The bird had gotten lost in the fog and appeared at the control room door- more than 1,500 meters above its usual habitat.

After a brief "internship," it was safely released back into nature the next morning.

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@mpi_grav@academiccloud.social · Jan 29, 2026
Testing Einstein’s theory of relativity with the clearest gravitational-wave signal yet ℹ️ https://www.aei.mpg.de/1391414/testing-einstein-s-theory-of-relativity-with-the-clearest-gravitational-wave-signal-yet 📄 https://journals.aps.org/prl/abstract/10.1103/6c61-fm1n (Open Access) 1️⃣ Relativity put to the test: A LIGO-Virgo-KAGRA team has conducted some of the most precise tests of Einstein’s theory of general relativity. 2️⃣ Einstein holds fast: In all tests, the observations match the theory’s predictions. In some cases, the tests based on this signal alone are two to three times more stringent than those obtained by combining data from dozens of other signals. 3️⃣ The clearest signal: The team used data from GW250114, the strongest gravitational-wave signal ever detected from the merger of two black holes. 4️⃣ Like a bell: For the first time, detailed analyses of the complete signal and the ringdown phase, which occurs shortly after the merger, have identified or constrained three gravitational-wave tones. Image: H. Pfeiffer, A. Buonanno (@mpi_grav@academiccloud.social), K. Mitman (Cornell University) #Relativity #BlackHoles
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