The main-sequence lifetime of a star can be estimated using the formula: What is the lowest-mass star that can have left the main sequence, assuming this star was created as soon as the universe formed? (The universe is about 13.8 billion years old.)

Question

The main-sequence lifetime of a star can be estimated using the formula:  What is the lowest-mass star that can have left the main sequence, assuming this star was created as soon as the universe formed? (The universe is about 13.8 billion years old.)

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The Answer of The main-sequence lifetime of a star can be estimated using the formula:  What is the lowest-mass star that can have left the main sequence, assuming this star was created as soon as the universe formed? (The universe is about 13.8 billion years old.)

The Main-Sequence Lifetime of a Star Can Be Estimated Using