Webb Space Telescope looks at the spectrum of the TRAPPIST-1 planets #Space @NASA
Scientists have just published the first JWST spectrum of one of the TRAPPIST-1 planets!
Our findings could have important implications for the planets in the habitable zone.
TRAPPIST-1 is a cool red dwarf star famous for having 7 rocky planets (3 or 4 of which lie in the habitable zone). This star system (40 light years away) is one of the most promising for looking for rocky planet atmospheres.
All 7 of the TRAPPIST-1 planets are being systematically observed by JWST. Many of these observations have already been taken and are being analysed.
TRAPPIST-1b is the closest planet to its star, with a measured dayside temperature around 230 °C.
While this makes the planet too hot to be in the habitable zone, the higher temperature should make any atmosphere larger and hence easier to detect.
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