Moon's Creation
Giant Impact Hypothesis
A body that orbits a larger body
Satellite
Light patches that can be seen from Earth
Anorthosites
Rough highlands full of rocks
Anorthosites
Side of the moon that faces the Earth
Near Side
The event that initiated the process
Large object collided with Earth
The name of the first Russian artificial satellite
Sputnik
Dark patches that can be seen from Earth
Maria
Crushed rock found on lunar surface
Regolith
The reason that thicker crust is found on the far side
The gravitational pull of the Earth
This happened to the debris that was knocked into space
Began to orbit the Earth
The USA sent this many space craft to the moon
6
What is the Maria made of?
Solidified lava patches
This makes lunar rocks very similar to Earth's rocks
Similar elemental composition
State of the moon's core
The moon's state of matter during the creation phase
Molten
The tool used to measure lunar activity
Seismograph
Mare
Name of a rock type that can be found on both Earth and the moon
Breccia
When geologic activity stopped on the moon
3 billion years ago
Cause of craters
Meteorite bombardment
It was determined that the moon only has __ the gravity of Earth
1/16
Long, deep lava channels
Rilles
Stones of different origin are cemented together by a medium. This occurs on ________
Earth
The three elements/compounds that make up most of the mantle
Silica, Magnesium, Iron