Stars

Front

A star's luminosity is a measure of how ___________ the star is

Back

bright

Front

What color of star is the hottest?

Back

Blue

Front

In the diagram given, what happens as we move to the left?

Back

Stars get hotter

Front

What color of star is the coolest?

Back

Red

Front

What is the name of the largest stars?

Back

Supergiants

Front

What is a star?

Back

A massive, luminous sphere of plasma held together by gravity.

Front

What is the main fuel for stars?

Back

Hydrogen, which undergoes nuclear fusion to form helium.

Front

What is a supernova?

Back

A powerful explosion that occurs at the end of a star's life cycle.

Front

What is the difference between a red giant and a supergiant?

Back

Supergiants are larger and more luminous than red giants.

Front

What is the Hertzsprung-Russell diagram?

Back

A scatter plot of stars showing the relationship between their absolute magnitudes and stellar classifications.