ByElizabeth Landau, NASANovember 24, 2022
This illustration shows NASAs IXPE spacecraft, at right, observing blazar Markarian 501, at left. A blazar is a black hole surrounded by a disk of gas and d… [read more]
Latest news around the world. World News Summaries.
ByElizabeth Landau, NASANovember 24, 2022
This illustration shows NASAs IXPE spacecraft, at right, observing blazar Markarian 501, at left. A blazar is a black hole surrounded by a disk of gas and d… [read more]