Exoplanet Radio Ep. 26: - Is TRAPPIST-1 c Habitable?

The 365 Days of Astronomy

From August 24, 2023.

New Webb Telescope Observations Suggest Not…

A team of astronomers used the James Webb Space Telescope to study the exoplanet TRAPPIST-1 c, which is one of seven rocky planets orbiting an ultracool red dwarf star 40 light-years from Earth. The team found that the planet's atmosphere, if it exists at all, is extremely thin.

TRAPPIST-1 c is about the same size as Venus and receives a similar amount of radiation from its host star as Venus gets from the Sun. This led scientists to believe that the planet might have a thick carbon dioxide atmosphere like Venus. However, the Webb observations suggest that this is not the case.

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