HR Diagram Practice

Front

What factor affects the color of a star?

Back

Temperature affects the color of a star.

Front

What type of stars are most commonly found on the HR diagram?

Back

Most stars on the HR diagram are classified as main sequence stars.

Front

What affects the luminosity (absolute brightness) of a star?

Back

The size of a star affects its luminosity.

Front

What is the color of stars with the lowest surface temperature?

Back

Stars with the lowest surface temperature appear red.

Front

What is the HR diagram used for?

Back

The HR diagram is used to classify stars based on their luminosity and temperature.

Front

What are main sequence stars?

Back

Main sequence stars are stars that are in the stable phase of hydrogen burning in their cores.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Front

What is luminosity?

Back

Luminosity is the total amount of energy emitted by a star per unit of time.

Tags

NGSS.HS-PS4-3

Front

How does temperature relate to a star's color?

Back

Higher temperature stars appear blue, while lower temperature stars appear red.

Front

What are giants and supergiants?

Back

Giants and supergiants are types of stars that are larger and more luminous than main sequence stars.

Front

What is the relationship between a star's size and its brightness?

Back

Larger stars tend to be more luminous than smaller stars.