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The Moon

The Moon
  • The Moon’s diameter is one-fourth of Earth diameter.
  • Circumference : 11000 km. approximately.
  • Gravitational Pull is 1/6th of the Earth.
  • Its orbit around the earth in elliptical orbit.
  • Distance between the Earth and the Moon is 3,82500 km. approx. (According to NASA)
  • The distance varies because it revolves around the Earth is an elliptical orbit.
  • At Perigee the point at which the moon is closest to the Earth, the distance is approximately 3,60000 km.
  • At Apogee the point at which the moon is farthest to the earth, the distance is approximately 4,05,000 km. (According to NASA).
  • The Moon is 1/4th size of the Earth.
  • The Moon take 27 day, 7 hrs, 43 min. and 11.47 sec. to complete one revolution around the Earth.
  • The Moon in the only satellite of the Earth.
  • The Moon rotates on its axis in exactly the same time as that of its revolution. That’s why we see only one part of the moon.
  • We can see only 59% of its surface.
  • There is no atmosphere on the moon.
  • The moon has no light of its own. It reflects sun light.
  • The reflected light by the moon reaches on the Earth in 1.3 seconds.
  • It has a low albedo.
  • It reflects only 7% and the rest is absorbed by the moon.
  • Neil Armstrong and Aldrin reached the moon on 21, July 1969. Through Apollo × 1.
  • Landing spot is called ‘sea of tranquility’.
  • The black spot on the moon is called ‘sea of tranquility’.
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