Question
The distance between the moon and the earth keeps on changing.

Answer

  • The moon’s orbit of the revolution is elliptical to that of the earth.
  • Hence the distance of the moon from the earth is not the same everywhere along its orbit while revolving.
  • When it is the closest to the earth it is said to be in perigee and when it is at the farthest, the position is called apogee.

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