Astronomers describe a 'changing-look' blazar -- a powerful active galactic nucleus powered by supermassive blackhole at the center of a galaxy.
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/06/210609123427.htm
from Latest Science News -- ScienceDaily https://www.sciencedaily.com/releases/2021/06/210609123427.htm
Astronomers discover a 'changing-look' blazar
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June 10, 2021
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