Astronomers Detect 35 Black Hole Collisions, Some Are Coming Together

C. Henze/NASA Ames Research Center

Gravitational waves from two black holes collide and merge.—International scientists belonging to the LIGO-Virgo-KAGRA collaboration announced that they have observed 35 new events that release gravitational waves, tiny vibrations in the fabric of space-time. These gravitational wave events were caused by cosmic collisions, with 32 of them likely involving two black hole which collide with each other.

Two more events are likely collisions between black hole with neutron star. As for the latter event, scientists are not sure exactly what type of compact object is involved.

This is the second half of the third observation of observatory LIGO and Virgo gravity waves are activated. These observations aimed at studying the universe were made between November 2019 and March 2020.

The release of the observation data has been uploaded on the paper storage site ArXiv and has been submitted for publication along with three other accompanying papers. The observations bring the total number of gravitational waves detected so far to 90.

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