accretion disk

Oumuamua is the first interstellar asteroid to fly over the recorded Solar System. However, the latest research shows that in our planetary system there may be many asteroids

The Swiss team discovered 19 quasars that have surround halo, contrary to predictions in previous models.

Astronomers have never seen the black hole once. However, they recognize them through the gravity and radiation of a giant black hole.

For the first time, an international research team found a way to observe gradual accretion disks around the black hole and verify that their electromagnetic spectrum matched what