Published on: 2025-08-01 12:50:34
Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any world whose light has been directly observed—an astonishing detection that reveals the extreme conditions of some worlds in our universe. The exoplanet, WD 1856+534 b, was first spotted in 2020 and is twice as old as our solar system. The world is about the size of Jupiter but about six times more massive and much chillier, clocking in at an average temperature of just -125°
Keywords: 1856 dwarf exoplanet planet wd
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