THE EARTHS MOON BY DESIREE MAYA 1 Theories

THE EARTH’S MOON BY: DESIREE MAYA 1

Theories on how the Moon was created: 4 Theories, Most Evidence for Impact Theory. 1. Fission- Moon spun off of Earth when Earth was young and rotating rapidly 2. Formation at same time as Earth. 3. Formation far from Earth, “The Capture Theory” 4. Giant Impact, early on, causing debris from both colliding objects, orbited Earth and eventually merged 2

HOW THE MOON GOT ITS NAME: “Earth's only natural satellite is simply called the moon because people didn't know other moons existed until Galileo Galilei discovered four moons orbiting Jupiter in 1610. “ 3

DISTANCE FROM EARTH: • 238, 855 miles • 384, 400 km • 3. 844 x 10^5 km(2. 570 x 10^-3 A. U. ) 4

COMPOSITION OF MOON: Layers Mantle Crust core 5

IMPORTANT DATES: • 1910: Galileo uses telescope to make scientific observations about moon • 1959 -1976: The U. S. S. R. 's Luna program of 17 robotic missions achieves many "firsts" and three sample returns. • 1969: Neil Armstrong is the first human to walk on the surface of the moon. http: //www. youtube. com/watch? v=cw. Z b 2 mq. Id 0 A 6

PHASES OF THE MOON 7

REFERENCES • http: //svs. gsfc. nasa. gov/vis/a 000000/a 004000/ • https: //solarsystem. nasa. gov/planets/profile. cfm? Object=Moon &Display=Overview. Long • http: //search. creativecommons. org/ 8