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Question

_______ is the closest celestial body to our earth.


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Solution

Moon is the nearest celestial body to our earth. Together with the Moon, Venus and Mars are the planets nearest to the Earth.

The moon

The moon that we see almost every night is a natural satellite of the Earth. This means that the moon revolves around the earth on a regular path. The gravitational attraction between the earth and the natural satellite holds it in its orbit even as the moon revolves around the earth.

  • The celestial body only shows us only one side of itself.
  • One side of it called the dark side or the far side never faces the earth.
  • This is because the moon takes the same amount of time to rotate about its axis as it does to revolve around the earth.
  • This is not a coincidence and occurs due to a phenomenon known as Tidal Locking.
  • In fact, nobody had seen what the dark side looked like until 1959 when the Soviet space probe Luna 3 took a picture of it.

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