Galaxy Review 3-26

Front

What is at the center of our galaxy?

Back

A black hole is located at the center of our galaxy.

Front

What unit is used to measure distances in space?

Back

A light year is the unit used to measure distances in space.

Front

What type of galaxy is characterized by spiral arms?

Back

A spiral galaxy is characterized by its spiral arms.

Front

What type of galaxy is shaped like an oval and has no spiral arms?

Back

An elliptical galaxy is shaped like an oval and has no spiral arms.

Front

What is an irregular galaxy?

Back

An irregular galaxy does not have a distinct regular shape like spiral or elliptical galaxies.

Front

What is a quasar?

Back

A quasar is an extremely bright and distant active galactic nucleus, powered by a supermassive black hole.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Front

What is the difference between a spiral galaxy and an elliptical galaxy?

Back

A spiral galaxy has arms that spiral outwards, while an elliptical galaxy is more rounded and lacks spiral structure.

Front

What is a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter.

Front

What is dark matter?

Back

Dark matter is a form of matter that does not emit light or energy, making it invisible and detectable only through its gravitational effects.