8.9A HR Diagram TEST

What determines the color of a star? 

• It's size
• It's temperature
• It's composition
• They are all the same color 

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Blue stars are the _____________.

• hottest
• coolest
• smallest

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

• Stars Get Larger
• Stars get Colder
• Stars get hotter

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Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

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As a whole, Giants are considered hotter than White Dwarfs.

• True
• False

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Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature

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Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

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The category that contains the most stars is...

• Main Sequence
• Supergiants
• Giants

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Using the HR diagram, choose the color of Zeta Eridani

• blue

• white

• yellow

• red

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Which star is hotter than Deneb

• Procyon

• Sun

• Regel

• Banard's Star

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