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Card 6

Front

How old are the oldest rocks on earth and where did they come from?

Back

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Card 7

Front

What do planets refract, reflect, absorb or transmit the suns light?

Back

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Card 8

Front

Where is our solar system in the milky way?

Back

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Card 9

Front

Roughly how many times larger is the diameter or the Milky Way to the diameter of the Sun?

Back

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Card 10

Front

What is a light year?

Back

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Card 11

Front

How can scientists measure how far a star is?

Back

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Card 12

Front

What problems are there in the atmosphere that effect how we can investigate stars?

Back

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Card 13

Front

What is the speed of light and all other electromagnetic radiation?

Back

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Card 14

Front

Why do we see stars and galaxies aas they were in the past?

Back

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Card 15

Front

The nearest star to the sun in 4.2 light years away. How long does the light take to reach us? How long ago do we see the star?

Back

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