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Without satellites, modern technologies such mobiles phones and GPS would not exist. Flickr/NASA Goddard Space Flight Center

Curious Kids: How do satellites get back to Earth?

We've all seen videos of satellites being blasted off into space - but once they're locked in orbit around the earth, how do we bring them back down?
Our moon orbits the Earth in the same way satellites do. Flickr/Alexey Kljatov

Explainer: how do satellites orbit the Earth?

Take a look at the moon and it isn’t hard to imagine it as a planet. A 3,476 kilometres-in-diameter ball of rock, with basalt plains and mountain ranges, whose gravitational pull produces tides here on…

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