Question

2.01 Formation of Heavenly Bodies • Can you explain the role that the Law of Universal Gravitation plays in the formation of heavenly bodies? • Can you distinguish the hierarchical relationships between the heavenly bodies? In other words, can explain how planets, stars, galaxies, solar systems and the universe relate to each other? 2.02 Formation of Heavenly Bodies • Can you define “galaxy”? Don’t forget gravity! • What is the name of our galaxy? • Can you describe 3 types of galaxies? o 1. o 2. o 3. • What is the shape of our galaxy? • How many galaxies are there and how many stars i