James Webb Space Telescope detects temperature on Trappist 1 b exoplanet

Trappist-1b is an exoplanet that orbits the ultracool dwarf star TRAPPIST-1, which is located about 40 light-years away from Earth in the constellation Aquarius. It was discovered in 2016 by the TRAPPIST (Transiting Planets and Planetesimals Small Telescope) project, which is a collaboration between Belgian and Chilean astronomers.

Trappist-1b is one of seven known planets in the TRAPPIST-1 system, all of which are believed to be rocky, Earth-sized planets. Trappist-1b is the closest planet to its host star, with an orbital period of just 1.5 days. This means that it is likely to be tidally locked, with one side always facing the star and the other side in perpetual darkness.

The surface temperature of Trappist-1b is estimated to be around 430 degrees Celsius (806 degrees Fahrenheit), which is too hot to support life as we know it. However, the TRAPPIST-1 system has generated significant interest among astronomers and astrobiologists because several of its planets are located within the star’s habitable zone, where temperatures may be suitable for liquid water to exist.

Trappist-1b and the other planets in the TRAPPIST-1 system are currently the subject of intense study by astronomers using a range of ground-based and space-based telescopes. These planets are seen as promising candidates for follow-up observations to search for signs of life beyond our solar system.

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 it has no significant atmosphere,” according to the ESA/Webb team.

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