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Card 16

Front

What causes variable light intensity in a binary system?

Back

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Card 17

Front

What is the period of variability for binary stars?

Back

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Card 18

Front

What causes variable light intensity in a Cepheid variable?

Back

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Card 19

Front

What is the period of variability for a Cepheid variable?

Back

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Card 20

Front

Why can't the radar technique be used to measure the distances to stars?

Back

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Card 21

Front

What is parallax?

Back

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Card 22

Front

What causes parallax between stars?

Back

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Card 23

Front

How can heliocentric parallax be used to determine the distance to a star?

Back

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Card 24

Front

How can the period-luminosity law be used to determine the distance to a star?

Back

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