A black hole located 230 million light-years away from Earth
A black hole located 230 million light-years away from Earth, at the centre of a galaxy named J0437+2456 and approximately three million times larger that […]
Articles by Science And Nature
Astronomers estimated that the star exploded 10,000 years ago.
SNR G116.9+00.1 (also known as CTB 1 and AJG 110) is a supernova remnant (SNR) in the constellation of Cassiopeia. Its distance is not known […]