Star Classification (Page 4 of 4) in pdf

Star Classification Page 4

THE H-R DIAGRAM

What is the approximate surface temperature of the sun?

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Would the surface temperature of white dwarf stars be higher or lower

than red supergiants? (Circle one of the bold words)

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

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

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List the color of the stars from hottest to coldest:

HOT_______________________________________________________

______________________________________________________COLD

Most of the stars on the HR Diagram are classified as which type of star?

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How is it possible for white dwarf stars to have lower luminosity than the

sun even though the sun is cooler than white dwarfs?

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Plot the following stars.

Star A = 4,000

C and low/medium brightness

Star B = 6,000

C and high brightness

Star C = 20,000

C and low/medium brightness

Star D = 6,000

C and medium brightness

Identify the type/color for each star:

Star:

Color:

Type:

Star A

Star B

Star C

Star D

What is the name of our most popular star located at point D?

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Star Classification Page 4