Cooler, less luminous main sequence stars have _______________.
A) higher masses
B) lower masses
C) the same masses as hotter stars
D) masses that vary widely
Correct Answer:
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Q72: A star that is hot and has
Q73: In what part of the H-R diagram
Q74: The H-R diagram is a plot of
Q75: What is the main sequence?
A) a region
Q76: A cool but very luminous star must
Q78: Where are red giants on the H-R
Q79: How does the spectrum of a star
Q80: What was Cecilia Payne's discovery?
A) She proved
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Q82: The apparent magnitude of a star tells
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