Satellites. Artificial satellites. Artificial satellites are human objects orbiting the earth and other planets in the solar system They are used to study the Earth and help communicate as well as look at distant stars
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There are estimated to be 3000 artificial satellites orbiting the Earth and an estimated 8000 pieces of space junk that fall from objects that orbit the Earth
There are different types of orbits like low orbits that are very close to the Earth and orbits when a satellites remains still helping with communicate and taking photos of the Earth spinning on its axis