destinywyatt2124 destinywyatt2124

28-04-2020
Geography

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The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period of variation is directly related to its

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Onidamilolah Onidamilolah

29-04-2020

Answer:

absolute brightness

Explanation:

The observational fact about a cepheid variable star that leads to a measurement of its distance from earth is that its period of variation is directly related to its absolute brightness

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