What is a nebula? How does it form a protostar?

1 Answer
Sarthak
Jun 27, 2018

A nebula is a cloud of gas and dust which can be millions of light years in diameter

Explanation:

Protostars are formed when the gas and dust in a nebula start condensing. Its gravitational force increases as its mass increases causing more and more condensation.This leads to formation of a pre main sequence star in which nuclear fusion starts.

Then it matures into a main sequence star which has different outcomes based on the mass of the star

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