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Our Nearest Neighbor
Our moon makes Earth a more livable planet by moderating our home planet's wobble on its axis, leading to a relatively stable climate, and creating a tidal rhythm that has guided humans for thousands of years. The moon was likely formed after a Mars-sized body collided with Earth and the debris formed into the most prominent feature in our night sky.

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accretion

Accumulation of dust and gas into larger bodies such as stars, planets and moons.

 
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accretion

Accumulation of dust and gas into larger bodies such as stars, planets and moons.