Moon's Creation
Giant Impact Hypothesis
A body that orbits a larger body
Satellite
Light-colored regions that can be seen from Earth
highlands
Moon rocks lack these types of elements
Volatile elements
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 plains
These type of elements found in lunar rocks reflect sunlight
refractory elements
State of the moon's core
Both solid and liquid phase
The moon's state of matter during the creation phase
Molten
The tool used to measure lunar activity
Seismograph
Specific name for each individual dark patch
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
1/6
Long, deep lava channels
Rilles
What is one element common in both moon and Earth rocks?
Ca, K, Si, O, Al, Ti
The three elements/compounds that make up most of the mantle
Silica, Magnesium, Iron