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The Moon holds Earth in place and dictates our seasons. What happens to planets without a moon like ours?Key facts
- The Moon formed after Earth collided with its twin, Theia.
- In proportion to the size of Earth, the Moon is the biggest moon in the Solar System.
- The Moon stops Earth from wobbling and tipping.
- The Moon helps keep conditions on Earth stable enough for life.
Transcript
The Moon was formed when Earth collided with its twin Theia, about 4.5 billion years ago.
The fragments from the collision gradually came together to form our Moon.
In proportion to our planet's size, we have the biggest moon in the Solar System.
Because of this, the Moon has had an unusually large ...
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