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‘Ultrahot Neptune’ discovered around sun-like stars



Astronomers have discovered a new kind of alien world – the first known “ultra-hot Neptune,” a giant planet that orbits its star 60 times closer than Earth or the sun, according to a new study.

Previous research found that about 1 in 200 Sun-like stars has a planet orbiting its star so tightly that it orbits Earth in less than a day. Astronomers call these worlds “ultra-short-period planets”. (In contrast, it takes the earth a little over 365 days to orbit the sun. Mercury, the closest planet to our sun, takes less than 88 days to complete its year.)


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