Universe Check 4

Front

Why do most bright stars observed at night appear brighter than other stars?

Back

They are closer to Earth.

Front

Which stars are the most massive according to the H-R diagram?

Back

Supergiants.

Front

What is one of the factors used to describe stars?

Back

Size.

Front

How does the size of stars vary?

Back

Stars vary greatly in size.

Front

What color are the coolest stars on the H-R diagram?

Back

Red.

Front

What is the H-R diagram used for?

Back

To classify stars based on their brightness and temperature.

Front

What are White Dwarfs?

Back

They are small, dense stars that are the remnants of stars like our Sun.

Front

What is a Supergiant star?

Back

A very large star that is much more massive than the Sun.

Front

What does the term 'Main Sequence' refer to in stars?

Back

It refers to a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What is the relationship between a star's temperature and its color?

Back

Hotter stars are blue, while cooler stars are red.