Scientists are expressing surprise after discovering a solar system 30 light-yea...
WASHINGTON - Scientists are expressing surprise after discovering a solar system 30 light-years away from Earth that defies current understanding about planet formation, with a large Jupiter-like planet orbiting a diminutive star known as a red dwarf.
The star, called GJ 3512, is about 12% the size of our sun, while the planet that orbits it has a mass of at least about half of Jupiter, our solar system’s largest planet. The planet, which like Jupiter is composed mainly of gas, was discovered using a telescope at the Calar Alto Observatory in Spain. It travels around its star in a very elliptical orbit lasting 204 days.
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