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Card 6

Front

Define gravitational potential

Back

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Card 7

Front

Why are all values for gravitational potential negative?

Back

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Card 8

Front

State some similarities between electric and gravitational fields

Back

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Card 9

Front

State some differences between electric and gravitational fields

Back

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Card 10

Front

Describe the Doppler effect

Back

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Card 11

Front

Describe a main sequence star

Back

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Card 12

Front

When can fusion occur?

Back

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Card 13

Front

Why do more massive stars spend less time on the main sequence?

Back

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Card 14

Front

When does the main sequence stop?

Back

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Card 15

Front

What happens at the end of the main sequence?

Back

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