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Potentially habitable planet TRAPPIST-1b may have a carbon dioxide-rich atmosphere


Potentially habitable planet TRAPPIST-1b may have a carbon dioxide-rich atmosphere

Potentially habitable planet TRAPPIST-1b may have a carbon dioxide-rich atmosphere

That haze, the researchers say, causes the planet's upper atmosphere to be hotter than the layers below, creating an environment where carbon dioxide emits light rather than absorbing it, which could explain the lack of an expected dip in previous observations.