How does the mass loss rate of a massive O-type star compare to the quiescent rate of a Sun-like star?
Answer
An O-type star can lose mass approaching $10^{-6}$ solar masses per year.
Massive O-type stars burn furiously and lose mass aggressively, potentially at rates near $10^{-6}$ solar masses per year, compared to the Sun's quiescent rate of about $10^{-14}$ solar masses per year.
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