James Webb Telescope Makes Groundbreaking Discovery of Atmosphere-Less Earth-Like Planet
TL;DR Summary
NASA's James Webb Space Telescope has detected light from TRAPPIST-1b, a small, Earth-like planet that is almost certainly uninhabitable due to its scorching temperature of about 450 degrees Fahrenheit and lack of atmosphere. The discovery is a record-breaking first for the JWST, which used its mid-infrared camera, MIRI, to measure the planet's thermal emission. TRAPPIST-1b is one of seven rocky exoplanets orbiting the same star, known as TRAPPIST-1, which are about the size of Earth and located in their star's habitable zone.
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