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| The Moon |
The Moon is our nearest neighbour in space and a natural satellite. It was believed earlier that the Moon was a piece of the Earth which broke away billions of years ago. Today the astronomers believe that both the Earth and Moon were formed from the same cloud of dust close to 5 billion years ago.
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The Moon is located 3,84,400 kms away from us, it has a diameter of 2,160 miles and takes 27 days, 7 hours and 43 minuts to complete one orbit around the Earth. It has a surface gravity which is 1/6th of the Earth. Since it has no atmosphere the temperatures on the Moon vary from 115° centigrade to –160° centigrade. It is a desolate place with no plants or life of any type. The black spots we see on the Moon are huge craters formed either due to volcanic activity or due to impact from outer space.
Neil Armstrong along with Edwin Aldrin and Michael Collins was the first man to visit the Moon in July 1969.
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