Ask Ethan: Could we save the Earth by migrating it away from the Sun?
Ethan Siegel

As a science fiction fan and not a scientist, can I ask: if we can get the amount of energy required from some source, what would be the mechanism used to employ it to move the planet? Also, as an alternative option, could we filter or manage the amount of energy reaching the Earth from the sun, with objects placed in a closer solar orbit (or just around the Earth)?

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