Study checklist

25.1 Standard candles

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25.1.1—The term luminosity as the total power of radiation emitted by a star

25.1.2—The inverse square law for radiant flux intensity F

25.1.3—An object of known luminosity is called a standard candle

25.1.4—The use of standard candles to determine distances to galaxies

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Study checklist25.1 Standard candles