this post was submitted on 16 Jan 2026
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'Reborn' black hole awakens after 100 million years of silence (phys.org)
submitted 2 days ago by RegularJoe@lemmy.world to c/science@lemmy.world
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[–] cheese_greater@lemmy.world 8 points 2 days ago (2 children)

HTF can something with that gravity just go quiet? U dont "turn off" gravity?

[–] halfdane@piefed.social 16 points 2 days ago

From the article:

J1007+3540 lives inside a massive galaxy cluster filled with extremely hot gas. This environment creates enormous external pressure—far higher than what most radio galaxies experience. As the revived jets push outward, they are bent, squeezed, and distorted by the interaction with the dense medium.

Seems to me that it's not the black hole itself was turned off and on again, but rather that it's jet was suppressed by the colossal gravitational (?) pressure of the surrounding galactic core.

[–] AbouBenAdhem@lemmy.world 6 points 2 days ago

Maybe its accretion disk was temporarily depleted?