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An introduction to the Earth's moon. What makes a moon a moon?Key facts
- A moon is a natural satellite.
- Our Moon orbits the Earth roughly every 28 days.
- The Moon's glow is caused by the reflection of sunlight.
- The Moon's shape appears to change during the lunar month due to shadows on its surface.
Transcript
The Solar System contains over 160 natural satellites, known as moons, that orbit around the planets.
Jupiter is known to have at least 63 moons, with names such as Ganymede
and Callisto.
The most familiar to us doesn't orbit some distant world, but circles our planet and is simply known as the ...
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