Can Life on Earth Escape the Swelling Sun?


Welcome to the last day on Earth. Humanity's descendants have long since died or fled, oceans have long since vaporized, and the life-giving sun has ballooned into a swollen giant filling the sky.
Scientists have debated for years what will happen to our planet when the sun's fusion furnace begins to run out of fuel and swell into a red giant a few billion years from now. The most recent simulations suggest that Earth will end up being swallowed by the dying sun.
The impending doom is more dire than any fictional villain could ever wish upon a world. Yet the planet need not perish if future civilizations can somehow move Earth out beyond the danger zone. Barring that, a clever escape plan might prove useful.

Full story by Jeremy Hsu on Space.com

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