The James Webb Space Telescope has set it sights on Trappist 1 system's innermost planet, Trappist 1 b. It has discovered that “the planet’s dayside has a temperature of about 500 kelvins (roughly 230°C), and suggests that br it has no significant atmosphere,” according to the ESAWebb team. br br Credit: Space.com | animation courtesy: ESOL. Calçada Space EngineNASAGSFC | edited by Space.