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What can be said with certainty about a red star and a blue star?. Physics & Astronomy
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Physics & Astronomy
What can be said with certainty about a red star and a blue star?
2019-11-13 19:58:50
Physics & Astronomy
the red star is more massive than the blue star
the blue star is hotter than the red star
the red star has a great radial velocity
the blue star has a greater proper motion
the rest star is closer to Earth
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