glewis5841 glewis5841

27-10-2018
Geography

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An astronomer measures the light coming from two stars, star a and star

b. they appear to be equally bright. from other measurements, she knows that star b is actually twice as far away as star

a. what can she conclude?

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giselleOrozco giselleOrozco

27-10-2018

She can conclude that star B is brighter than Star A. The measurements prove that star B is twice as far away as star A, yet both of the stars show the same amount of light.

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