Using the figure above, if Earth orbited this star, how far along the timeline would it get? Part 1 of 2 To determine the lifetime of a 1.50Msun star, we use the formula for stellar lifetimes. 2.5 tstar M tsun star Using the given mass and multiplying by the expected lifetime of the Sun (11 x 10° years), we can calculate the following. (Round your answer to at least three significant figures.) tstar = years %3D

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