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Available here linda-howes.pixels.com/featured/thi...

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February 13, 2026 at 2:11 AM
nasapodsky.bsky.social
Astronomy Picture from 05/06/2022

Two Black Holes Dancing in 3C 75

Source: https://apod.nasa.gov/apod/ap220605.htm<a href="/hashtag/SupermassiveBlackHoles" class="hover:underline text-blue-600 dark:text-sky-400 no-card-link">#SupermassiveBlackHolesa#GalaxyMergerx#3C75e#BinaryBlackHolesa#CosmicDancem#Astrophysicso#Spaces#Astronomys#GravitationalWavesn#GalaxyClustery#XrayAstronomys#RadioAstronomystronomy
Composite X-ray (blue) and radio (pink) image of 3C 75, showcasing two co-orbiting supermassive black holes at the center of merging galaxies. These black holes, separated by 25,000 light-years, are blasting out jets of relativistic particles and are surrounded by multimillion-degree X-ray emitting gas. Located 300 million light-years away in the Abell 400 galaxy cluster, their gravitational interaction is evident in the swept-back appearance of their jets.
February 18, 2025 at 2:13 PM
astronomy.activitypub.awakari.com.ap.brid.gy
Historic First: RadioAstron Captures Image of Two Black Holes Orbiting Each Other Historic RadioAstron image captures two supermassive black holes orbiting in quasar OJ287, confirming decades of th...

#Astrophysics #BinaryBlackHoles #BlackHoles […]

[Original post on nasaspacenews.com]
October 12, 2025 at 11:27 AM
arxivlens.bsky.social
Tracing the light: Identification for the optical counterpart candidates
of binary black-holes during O3
Bingzhou Gao, Lei He et al.
Paper
Details
#OpticalCounterparts #BinaryBlackHoles #O3Observation
July 7, 2025 at 9:03 AM