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Suppose that you have used a Cepheid variable star as a “standard candle” to compute the...

Suppose that you have used a Cepheid variable star as a “standard candle” to compute the distance to a particular galaxy. The distance computed is d = 35 Mpc. Much to your embarrassment, you find that the Cepheid variable star has a luminosity L that is actually twice the luminosity you assumed when making your calculation. Is the galaxy closer or farther than you originally calculated? What is the true distance to the galaxy?

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