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Asteroid Remains Around Dead Stars Reveal The Likely Fate of Our Solar System

28 Jun 2018, 13:59 UTC
Asteroid Remains Around Dead Stars Reveal The Likely Fate of Our Solar System NASA/JPL-Caltech

June 30th has been designated “Asteroid Day” to promote awareness of these small members of our solar system. But while asteroids are often discussed in the context of the risk they might pose to the Earth, their chewed up remains around other stars may also reveal the fate of our solar system.

It is 6.5 billion years into our future. The sun has fused hydrogen into a core of heavier helium. Compressed by its own gravity, the helium core releases heat and the sun begins to swell. It is the end of our star’s life, but what will happen to the solar system?

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