'Star begins' presentation slideshows

360 views • 17 slides

Stellar Evolution

Stellar Evolution. The Life Cycles of Stars. Stage 1- NEBULA. This is a large cloud of dust and gas in space. Stage 2- PROTOSTAR. Gravity compresses the nebula, and it spins and flattens into a disk shape. Stage 3- MAIN-SEQUENCE STAGE.

274 views • 12 slides

Life Cycle of a Star

Life Cycle of a Star. By Gavin Davis,#7. A star begins as a. cloud of gas and dust. Protostar. gravey causes a cloud of gas and dust to become a protostar. A Star is Born. As soon as nuclear fusion begins the life of a star begins. Star Classifications.

210 views • 7 slides