The Sun will one day engulf the Earth, leading scientists to ponder how to move the planet out to a safer orbit.
The problem of moving worlds has also provided inspiration for science-fiction writers and filmmakers:
声 had aliens build giant rocket engines at the South Pole to move the Earth in his novel The Sins of the Fathers;
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声 focused large amounts of solar power to move the Moon and Venus so they shared the Earth鈥檚 orbit in his novel The Oxygen Barons;
声 Nuclear explosions push the Earth out of its orbit in the movie ;
声 folded the fabric of space and time to move Earth in his far-future story Those Graves of Memory;
声 The aliens who moved the Sun out of the solar system in David Dvorkin鈥檚 novel used 鈥渢echnology so advanced that it looked like magic to the people of Earth鈥�, he said, playing on Arthur C Clarke鈥榮 third law of forecasting the future.
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