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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 blue star has a greater proper motion
the red star is more massive than the blue star
the rest star is closer to Earth
the blue star is hotter than the red star
the red star has a great radial velocity
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