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2 clusters · 5 sources · 15 days · First seen 17 days ago · Last updated 2 days ago

Astrophysical research on black holes and galaxies

Overview

Recent astrophysical research has provided new insights into the behavior of black holes and the composition of galaxies. Researchers have reconstructed a violent event involving the supermassive black hole RBH-1, which was likely ejected from its host galaxy due to a gravitational recoil of nearly 1,000 km/s caused by an asymmetrical merger of two spinning black holes. Additionally, observations of Cloud 9 suggest the existence of a galaxy containing hydrogen gas and dark matter but lacking stars.

Further studies have identified a universal rule regarding black hole jet eruptions, often described as cosmic ‘burps’. Research indicates these eruptions occur when the accretion rate drops to 2% of the Eddington limit. This threshold appears consistent across various scales, from stellar-mass to supermassive black holes, explaining the timing of matter expulsion during tidal disruption events.

Entities

Curtin University · Andrew Mummery · Kavli Institute for Theoretical Physics · Nature Astronomy · Cloud 9

Timeline

2 days ago

[TECHNOLOGY] 3 sources
Astrophysicists discover universal rule for black hole jet eruptions
Researchers have discovered that black holes of all sizes launch powerful matter jets once their feeding rate drops to 2% of the Eddington limit, solving a long-standing cosmic mystery.
17 days ago

[TECHNOLOGY] 2 sources
Astronomers study black hole ejections and starless galaxies
Astronomers reconstruct the violent ejection of a supermassive black hole via black hole mergers and investigate Cloud 9, a potential galaxy containing dark matter and gas but no stars.

Sources

conowego.pl · naukawpolsce.pap.pl · quantumzeitgeist.com · techexplorist.com · time.news