Slide 1 Slide 2 Massive Stars live shorter lives. Low mass stars live longest. 1.Gravity contracts the Hydrogen gas 2. Gas Spins 3. Gas Heats 4. Protostar Stage 5. Fusion…
Slide 1 StarsStars Slide 2 What is a star? The objects that heat and light the planets in a system A star is a ball of plasma held together by its own gravity –Nuclear…
Slide 1 Chapter 16 Star Birth Slide 2 16.1 Stellar Nurseries Our goals for learning Where do stars form? Why do stars form? Slide 3 Where do stars form? Slide 4 Star-Forming…
Slide 1 Life Cycle of Stars Life Cycle of Stars The path a star takes over its lifetime depends solely on its MASS!! Stellar Nursery NEBULA All stars begin their life in…