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Huh? James Webb telescope spots 'rogue' planet with cake-like atmosphere

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Researchers have pointed JWST at a mysterious object called SIMP 0136+0933 to learn more about its atmosphere.

The object's identity is still nebulous, but it has a 2.4-hour-long day and is located in the Carina Nebula 20 light-years away.

It has an unusually variable atmosphere, with fluctuations in the electromagnetic spectrum's infrared region (which humans would perceive as heat).