Which of the following has the smallest mass?
A) a brown dwarf
B) a planet
C) the Sun
D) the smallest mass star that can still have fusion of hydrogen to helium in its core
E) you can't fool me, all the above have roughly the same mass

Question

Quizplus · Accepted Answer

Planets have much smaller masses than brown dwarfs, stars, and the Sun. The smallest mass star that can still have fusion of hydrogen to helium in its core is about 0.08 solar masses, which is still larger than most planets. Therefore, the smallest mass is a planet.

Which of the Following Has the Smallest Mass