Astronomy Unit Review

Front

What type of galaxy has only old stars and very little gas?

Back

Elliptical galaxy

Front

What are the first two elements to form after the Big Bang?

Back

Hydrogen & Helium

Front

Which type of stars are known as the element factories in our universe?

Back

Red Supergiants

Front

What are quasars?

Back

An enormously bright center of a distant, young galaxy

Front

What is a large cloud of gas and dust called?

Back

Nebula

Front

What is the main component of stars?

Back

Hydrogen

Front

What is the process called when a star forms from a nebula?

Back

Nuclear fusion

Front

What type of galaxy is characterized by spiral arms?

Back

Spiral galaxy

Front

What is the term for a supermassive black hole at the center of a galaxy?

Back

Active Galactic Nucleus (AGN)

Front

What is the life cycle stage of a star after it exhausts its hydrogen fuel?

Back

Red Giant