Astronomers discover a scorchingly hot planet that has a comet-like tail and is almost 3 times the size of Jupiter

Artist's conception of KELT-9 system.
(Image credit: NASA/JPL-Caltech/R. Hurt (IPAC))

Scientists have discovered a planet that is almost three times bigger than Jupiter, is hotter than most stars in the solar system, and sports a comet-like tail of gas. The planet, Kelt-9B, was first spotted by telescope when it clipped past its host star, which is twice is hot as the sun and resides some 650 light-years away from Earth.

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