Earth’s Satellite
The Earth has only one natural satellite, the Moon. It spins on its
axis in 27.3 days and takes the same time to complete one orbit around the
Earth. As the moon orbits the Earth, It changes its shape. The changing shape
of the bright part of the moon is known as different phases of the moon. Moon
does not have its own light, but reflects thee light of the Sun. A part from
the Moon, the earth also has many artificial
satellites. These artificial satellites have been especially stationed to orbit
the earth and bring useful information
regarding our planet. They help in weather forecasting and replaying television and telephone signals around the
world. The space age began with the launch of Sputnik in 1957.
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