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Exoplanet orbiting red giant gives hints of Earth's future

Astronomers have discovered a new planet in another solar system orbiting a red giant star that provides clues into what may happen to our own solar system five billion years from now when our own, younger sun becomes a gigantic old star. 

The exoplanet (a planet in another solar system) is about six times the mass of Jupiter and orbits about 40 percent closer to its star, dubbed HD 102272, than Earth does around the sun...

December 2, 2008 — Susannah F. Locke

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