Documents Betelgeuse Rigel Hydrogen Helium Neon Sodium Mercury.

Slide 1 GALACTIC UNIVERSE 1 Twinkle, twinkle, little star, how I wonder what you are? What are stars? And what are they made of? 2 Stars are huge, hot, bright balls of gas.…

Documents GALACTIC UNIVERSE

Slide 1 GALACTIC UNIVERSE 1 It is a group of billions and billions of stars held together by gravity. What is a Galaxy? 2 Top View Huge; contains stars, gas, and dust Held…

Documents GALACTIC UNIVERSE

Slide 1 GALACTIC UNIVERSE 1 Twinkle, twinkle, little star, how I wonder what you are? What are stars? And what are they made of? 2 Stars are huge, hot, bright balls of gas.…