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How do scientists think the moon formed?
They think a large object collided with Earth and sent debris from both the object and Earth into space. Gravity caused the debris to clump up and form the moon
Is there water on the moon?
There is a thin layer in the moon's soil.
Why do temperatures on the moon vary so much?
The moon has no atmosphere.
What are temperatures like at the moon's equator?
130*C in direct sunlight to -170*C at night
How does the gravity of the moon compare to the gravity of Earth?
The moon's gravity is about 1/6 that of Earth's.
How does the density of the moon compare to the density of Earth?
The moon's density is similar to the density of the outer layers of Earth.
How does the moon's mass compare to the Earth's mass?
It is about 1/80 the mass of Earth
True or false: The moon's diameter is about 1/2 of Earth's diameter.
False; 1/4
What is the distance across the moon?
3476 kilometers
What are some of the light-colored features you can see on the moon's surface?
Highlands or mountains
Do maria have relatively few or relatively many craters?
Few
What is a meteoroid?
A chunk of rock or dust from space
What caused craters on the moon?
Impacts of meteoroids
How big can craters be?
Hundreds of kilometers across
What are craters?
Large, round pits
What is the singular of maria?
Mare
What are maria?
Dark, flat areas on the moon that are made of hardened rock formed from huge lava flows that occurred 3-4 billion years ago.
What features are on the surface of the moon?
Maria, craters, and highlands
How does the size of the moon compare to the size of Earth?
It is small.
What is the moon's atmosphere like?
Dry and airless (No atmosphere)