TRAPPIST-1b
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TRAPPIST-1b is a terrestrial, Earth-sized exoplanet orbiting around the ultra-cool red dwarf star TRAPPIST-1, located 40.7 light-years away from Earth in the constellation of Aquarius. The planet was
Artist's impression of TRAPPIST-1b (March 2023)
Artist's view of planets transiting red dwarf star in TRAPPIST-1 system
The Sun and the ultracool dwarf star TRAPPIST-1 to scale. The faint star has only 11% of the diameter of the Sun and is much redder in colour.
Artist's impression of three of the planets (b, c, and d) orbiting TRAPPIST-1
James Webb Space Telescope
Videos
The James Webb Space Telescope is a space telescope designed to conduct infrared astronomy. It is the largest telescope in space, and is equipped with high-resolution and high-sensitivity instruments,
TRAPPIST-1b
…of seven planets orbiting TRAPPIST-1, all of which are terrestrial, but is too close to its star to be in the habitable zone. Observations by the James Webb Space Telescope announced between 2023 and 2024 suggest that it is either airless or has a hazy CO2-rich atmosphere. Its albedo is very low, making it dark in color…
Three-quarter view of the top
Bottom (Sun-facing side)
Test unit of the sunshield stacked and expanded at the Northrop Grumman facility in California, 2014
Engineers cleaning a test mirror with carbon dioxide snow, 2015