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The main way the moon affects the Earth is the tides. The moon plays an important role in protecting the Earth from space rocks, such as meteorites. More subtle effects of the moon include minor effects on climate, the h... More »

www.reference.com Science Astronomy Our Moon

The moon orbits the earth due to gravity. This gravitational force of attraction between Earth and the moon provides the necessary centripetal force to keep it in a circular orbit around Earth. More »

www.reference.com Science Astronomy Our Moon

One of the many differences between the Earth and the moon is simply that the Earth is a planet and the moon orbits the Earth as its satellite. The Earth's circumference is 24,873.6 miles, while that of the moon is 6783.... More »

www.reference.com Science Astronomy Our Moon
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Most people know that the moon's gravitational influence has an effect on the tides on Earth, but some scientists also believe that the presence of the moon played an important role in making Earth habitable to begin wit... More »

www.reference.com Science Astronomy Our Moon

The gravitational pull of the moon controls the rise and fall of tides on Earth and slows the planet's rotation, while the phases of the moon serve as calendar markers for human beings. High tides occur on the portion of... More »

www.reference.com Science Astronomy Our Moon

The Earth's moon takes 27 Earth days to completely orbit the Earth. A day on the moon is also equal to a little over 27 days on Earth. More »

www.reference.com Science Astronomy Our Moon

The Earth is much bigger than the moon. While the Earth is measured at 8,000 miles in diameter, the Moon only measures 2,160 miles in diameter. This means that if the Earth was hollowed out, the Moon could fit inside it ... More »

www.reference.com Science Astronomy Our Moon