The Stellar Connection

A star's life cycle is determined by its mass.

A protostar is formed when the hydrogen gas in a nebula begins to spin and heats up.

Nuclear fusion occurs in a cloud's core when the temperature reaches 15,000,000 degrees.

<p>A main sequence star is a stable star that shines for millions to billions of years.</p> Signup and view all the answers

<p>Our Sun is currently in the main sequence stage.</p> Signup and view all the answers