How do the lifespans of the smallest red dwarfs compare to the estimated lifespan of our Sun (10 billion years)?

Answer

They burn for trillions of years.

Because they burn fuel slowly and can access nearly all of their hydrogen fuel through convection, the smallest red dwarfs are calculated to burn for trillions of years.

How do the lifespans of the smallest red dwarfs compare to the estimated lifespan of our Sun (10 billion years)?

#Videos

The Smallest Stars in the Universe - Red Dwarfs - YouTube

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