Among main-sequence stars,the most massive stars are more luminous,redder,cooler,and have larger radii than less massive stars.
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Q1: We can measure the luminosity of a
Q1: Spectra of the least massive main-sequence stars
Q2: When looking at a standard H-R diagram,the
Q3: To measure the parallax of the most
Q5: How is the distance to a star
Q5: The absolute magnitude of a star is
Q8: B stars are cooler than M stars.
Q9: Mass solely determines the position of a
Q10: Mass determines the position of a star
Q13: Binary star systems are extremely useful in
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