How do scientists think the moon was formed?

A. It was once a planet that came too close to Earth's orbit around the sun.
B. The Earth's gravity captured a large asteroid.
C. A large object struck the Earth breaking off the moon.
D. It formed with the Earth when the Solar System was young.

Question

How do scientists think the moon was formed?

A. It was once a planet that came too close to Earth's orbit around the sun. 	
	B. The Earth's gravity captured a large asteroid. 	
	C. A large object struck the Earth breaking off the moon. 	
	D. It formed with the Earth when the Solar System was young.

anonymous · Answer

C. Many scientists believe that the Moon is a huge chunk of Earth. They think that back when Earth was just forming, a Mars-sized meteor smashed into it. The crack-up hurled material out into space, and that material became the Moon.Somehow it got sucked into Earth’s gravitational field

anonymous · Answer

C. A large object struck the Earth breaking off the moon. http://www.psi.edu/projects/moon/moon.html