The more massive a star,the more hydrogen it has to burn,and the longer its main-sequence lifetime will be.
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Q7: The Sun eventually could become a nova.
Q9: When a star burns hydrogen in a
Q10: A main-sequence star is unique because
A) hydrostatic
Q11: A low-mass star that burns helium in
Q11: If a main-sequence star's core temperature increased,
Q13: Pressure from degenerate electrons keeps the core
Q14: The percent of hydrogen in the Sun's
Q15: Stars evolve primarily because they run out
Q16: What factor is most important in determining
Q17: Binary stars can evolve to become novae
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