Scientists find a cloudless ‘hot Jupiter’ exoplanet with a four-day year

by Jeremy

Astronomers have found another strange planet that could expand our understanding of the cosmos. Gizmodo reports that a Harvard and Smithsonian’s Center for Astrophysics team has spotted a gas giant 575 light-years away, WASP-62b, that’s not only in a highly close 4.5-day orbit (making it a “hot Jupiter”) but has no clouds. It’s just the second time any researchers have located a cloudless exoplanet, and they’re believed to be rare as a whole — less than 7 percent of

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Exoplanets. Scientists first detected WASP-62b in 2012, but it wasn’t until recently that they got to study its atmosphere. A study led by Munazza Alam used spectroscopic observation from the Hubble Space Telescope to discover the strong presence of sodium. This element would be obscured if there were clouds in the planet’s atmosphere. Astronomers typically get only small clues that sodium is present, so this was “smoking gun evidence” of a bright world, according to Alam.

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