The lowest-mass object that can initiate thermonuclear fusion of hydrogen has a mass of about
A)1 solar masses.
B)80 solar masses.
C)8 solar masses.
D)0.08 solar masses.
E)0.001 solar masses.

Question

Quizplus · Accepted Answer

The lowest-mass object that can initiate thermonuclear fusion of hydrogen is a brown dwarf, which has a mass between 0.08 and 0.001 solar masses. Choices A, B, and C are too massive to initiate fusion, while choice E is too low in mass to initiate fusion.

The Lowest-Mass Object That Can Initiate Thermonuclear Fusion of Hydrogen