Universe Review

Which has the greater Mass?

• The Moon

• The Earth

• The Sun

• The Galaxy

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Using the picture where would you find a Red Giant on the HR Diagram.

• Location 1

• Location 2

• Location 3

• Location 4

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Which stars are in the main sequence?

• Area M

• Area P

• Area X

• Area Z

Which star would be blue, hotter and brighter?

• Star 1

• Star 2

• Star 3

• Star 4

Which star would be cooler and red in color?

• Star 1

• Star 2

• Star 3

• Star 4

Where would you find a star similar to our sun?

• Star 1

• Star 2

• Star 3

• Star 4

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Which is smaller?

• The Earth

• The Sun

• Our Solar System

• The Universe

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What keeps the earth and planets in a circular orbit around the sun?

• Electromagnetic attaction

• Gravitational attaction

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Light travels in

• waves

• a straight line

• circles

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Using the image, what is the frequency of an X-Ray?

• 10⁸

• 10¹²

• 10¹⁶

• 10¹⁸

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