The James Webb Space Telescope has Found its First Planet Outside our Solar System
LHS 475 b is almost exactly the same size as Earth but it’s several hundred degrees hotter. It’s also much closer to its star than we are to our star, the Sun. Each orbit takes just 2 Earth days. Webb was able to detect LHS 475 b as it passed in front of its star by measuring the amount of starlight it blocked. Webb was designed to study the first stars and galaxies formed after the Big Bang. It can also peer inside dust clouds where stars and planets are being created today.
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