The findings don't bode well for the rest of the planets in the Trappist solar system, some of which are in the sweet spot for harboring water and potentially life.
This illustration provided by the European Space Agency depicts what the exoplanet TRAPPIST-1 b could look like. On Monday, March 27, 2023, scientists said the Webb Space Telescope has found no evidence of an atmosphere at this innermost of the seven rocky, Earth-sized planets orbiting the nearby star, named Trappist. , T. P. Greene , T. Bell , E. Ducrot , P. Lagage via AP)CAPE CANAVERAL, Fla.
The NASA-led team reported little if any atmosphere exists at the innermost planet. Results were published Monday in the journal Nature. Because the Trappist system’s innermost planet is bombarded by solar radiation — four times as much as Earth gets from our sun — it’s possible that extra energy is why there’s no atmosphere, Greene noted. His team found temperatures there hitting 450 degrees Fahrenheit on the side of the planet constantly facing its star.
Further research could still uncover an atmosphere of sorts, even if it’s not exactly like what’s seen on Earth, said Michael Gillon of the University of Liege in Belgium who was part of the team that discovered the first three Trappist planets in 2016. He did not take part in the latest study.
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