Galaxies and Stars

Front

What is a galaxy?

Back

A system of millions or billions of stars, along with gas and dust, held together by gravitational attraction.

Front

What is NOT a type of galaxy?

Back

Optical Galaxy.

Front

How far is the sun from the earth?

Back

8.4 light-minutes.

Front

What is a very large star called?

Back

A supergiant.

Front

What is the name of Earth's star?

Back

The Sun.

Front

What are the three main types of galaxies?

Back

Spiral, Elliptical, and Irregular.

Front

What is a spiral galaxy?

Back

A type of galaxy characterized by its spiral arms and a central bulge.

Front

What is an elliptical galaxy?

Back

A type of galaxy that is oval in shape and lacks distinct features like spiral arms.

Front

What is an irregular galaxy?

Back

A galaxy that does not have a distinct regular shape, often chaotic in appearance.

Front

What is the Milky Way?

Back

The galaxy that contains our solar system.