This ultrahot Jupiter-like exoplanet has a glowing stratosphere

For the first time, a glowing giant exoplanet has been found surrounded by an atmosphere similar to Earth’s.

The planet WASP-121b, which lies 270 light years away from Earth, is the first exoplanet found with a stratosphere – an upper layer in its atmosphere.

WASP-121b is what is known as a ‘hot Jupiter’ – a gas giant like Jupiter but much hotter, with an orbit that takes it feverishly close to its star.

Read more on WIRED

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