Life cycle of stars
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.
Singing Space Songs. Betelgeuse The sun and Betelgeuse are both made mostly of hydrogen so why are they different colours?
Exam Technique READ THE QUESTION!! make sure you understand what you are being asked to do make sure you do everything you are asked to do make sure.
