Chart showing different exoplanet atmosphere colors

JWST to search for evaporating gem clouds on exoplanets

Astronomers hope for cloudy skies James Webb Space Telescope (JWST or Webb) turned their attention to exoplanet atmospheres filled with evaporating rocks and crystals such as corundum and perovskites, which form gems on Earth.

hot Jupiters, they are gas giant planet They orbit so close to their star that they become so hot that rocky elements, minerals and metals can exist as vapors in their atmospheres, scorched by temperatures as high as 3,600 degrees Fahrenheit (2,000 degrees Celsius).

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