Milky Way's Central Black Hole Quiz

What evidence suggests that the Milky Way's central black hole is not dormant?

• It has a visible jet.

• It occasionally emits radio waves.

• It is surrounded by a ring of stars.

• It has remnants of a jet interacting with a hydrogen cloud.

What happens when the black hole's jets interact with surrounding gas?

• They disappear into space.

• They create expanding bubbles.

• They form a new galaxy.

• They create a black hole.

How far do the expanding bubbles from the black hole extend?

• 1,000 light years

• 10,000 light years

• 500 light years

• 100 light years

What did Hubble find about the black hole's outburst 2-4 million years ago?

• It destroyed the Milky Way.

• It formed a black hole.

• It created gamma-ray glowing bubbles.

• It created a new star.

What is the Magellanic Stream?

• A new galaxy discovered by Hubble.

• A stream of water in space.

• A gaseous structure illuminated by the black hole's burst.

• A type of star cluster.