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Four Shapes of the Moon

The Moon takes about a month to go through all of its shapes. Sunlight always lights up one half of the Moon, and we see more or less of that bright half as the Moon travels around Earth.

In the picture

  1. Badge 1 sits on the thin crescent Moon, a slim bright curve on the right side.
  2. Badge 2 sits on the half-lit Moon, bright on the right and dark on the left.
  3. Badge 3 sits on the almost full Moon, with only a narrow shadow left.
  4. Badge 4 sits on the full Moon, a whole bright disc.

Examples

  • A ball under a lamp looks half bright and half dark, just like the Moon.
  • Looking up on different nights of the same month, the Moon has a different shape each time.

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Science, Age 10