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Planet Found Orbiting Giant Star.


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giant star
NASA
Planet Found Orbiting Giant Star

A team of Astronomers have discovered the first planet orbiting a giant star. Unlike previous extrasolar planet discoveries, which have been found around stars in the middle of their life, this 8.5 Jupiter mass planet orbits iota Draconis, an old star with a radius of 13 times our own Sun. Detecting the planet was very difficult because older stars tend to pulsate, which can throw off astronomers' calculations.



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