#1542

Stars of all kinds start the same way–a cloud of gas in space begins to collapse on itself. As the gas contracts, it heats up. When it heats up enough to begin nuclear fusion–the creation of helium from its own internal hydrogen–it’s called a star.

Check out our online test prep courses! https://www.mometrix.com/university

For more resources on this topic, go to: https://www.mometrix.com/academy/type...

Watch our science review playlist!    • Science Review  

Mometrix Study Guides: https://www.mometrix.com

Mometrix Flashcards: https://www.flashcardsecrets.com/

More Test Prep Resources: https://www.mometrix.com/academy

Follow Mometrix Academy on Pinterest:   / mometrixacademy