For the first time, astronomers have witnessed a black hole swallowing a neutron star, the most dense object in the universe — all in a split-second gulp. Ten days later they saw the same thing, on the other side of the universe....
They are so dense that they have about 1.5 to two times the mass of our sun, but condensed to about 6 miles( 10 kilometers) wide, Brady said....
He said this will help astronomers predict how abundant these pairings are. ——Follow Seth Borenstein on Twitter at@ bore
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2021-06-29 00:00:00.0