Question

When a star's nuclear energy runs out, it dies. A star can die in many ways. A _____ is one way a star might die, and it can trigger the beginning of a new star's life cycle.

red giant
white dwarf
black dwarf
supernova

Answer 1

the answer is D.Supernova

Answer 2

supernova is the answer A super nova can trigger the begining of a new star's life cycle. A star produces energy by converting hydrogen gas to helium. Once all the hydrogen in the core is used up a super massive explosion called a super nova can be triggerd. The resulting explosion leaves behing gas and dust which can eventually be pulled together by gravity over millions of years triggering the birth of a new star. Only massive stars end their lives in a supernova.