What is the minimum mass necessary in a protostar for it to begin nuclear reactions and become a main sequence star?
A)0.08 M ?
B)0.4 M ?
C)1.0 M ?
D)1.4 M ?

Question

Quizplus · Accepted Answer

The minimum mass necessary for a protostar to begin nuclear reactions and become a main sequence star is 0.08 solar masses (M☉). Below this threshold, the object does not have enough mass to initiate hydrogen fusion and becomes a brown dwarf instead.

What Is the Minimum Mass Necessary in a Protostar for It