Which is more common: a star blows up as a supernova,or a star forms a planetary nebula/white dwarf system?
A)Supernovae are more common.
B)Planetary nebula formation is more common.
C)They both occur in about equal numbers.
D)It is impossible to say.

Question

Quizplus · Accepted Answer

Planetary nebula formation is more common than supernovae. Many stars, especially low-mass stars like the Sun, will eventually form planetary nebulae and white dwarfs as they near the end of their lives. Supernovae occur much less frequently, typically only in very massive stars.

Which Is More Common: a Star Blows Up as a Supernova,or