Question

What is the initial stage of all stars?
A) nebula
B) black hole
C) supernova
D)white dwarf

Answer 1

Answer:

A) nebula

Explanation:

A protostar is the earliest stage of a star's life. A star is born when the gas and dust from a nebula become so hot that nuclear fusion starts. Once a star has “turned on” it is known as a main sequence star.

Answer 2

Answer:

nebula

Explanation:

stars start in a nebula