Stars and Galaxies

Front

The color of a star depends on its

Back

temperature

Front

What type of galaxy has no special shape or form?

Back

an irregular galaxy

Front

A supernova is the explosion of a dying:

• medium-mass star
• high-mass star
• protostar
• low-mass star

Back

high-mass star

Front

What type of galaxy is oval-shaped?

Back

an elliptical galaxy

Front

What is the name of the largest stars?

Back

Supergiants

Front

What do all main sequence stars have in common?

Back

They are undergoing fusion of hydrogen into helium within their cores

Front

A large group of stars, gas, and dust is called...

Back

a galaxy

Front

A star is born in a cloud of gas and dust called a __________.

Back

nebula

Front

How are galaxies alike?

Back

They all have stars, gas, and dust

Front

On an HR diagram, stars at the same temperature are found...

Back

aligned vertically (one above the other)