Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black…
Astronomers can’t find any sign of the black hole at the center of a quasar. It is still there, of course, but over the past 10 years, it appears to have swallowed all the gas in its vicinity and gone quiet.
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black…
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