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Card 6

Front

what is the luminosity of a star?

Back

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Card 7

Front

what does the brightness of a star depend on?

Back

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Card 8

Front

what is the intenisty of radiation?

Back

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Card 9

Front

what is the apparent magnitude of a star?

Back

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Card 10

Front

what is the absolute magnitude of a star?

Back

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Card 11

Front

why do stars differ in colour?

Back

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Card 12

Front

what is a black body radiator?

Back

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Card 13

Front

how are absorpton spectra formed?

Back

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Card 14

Front

what are the black lines in the spectra characteristic to?

Back

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Card 15

Front

how can the chemical composition of a star be found out?

Back

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