James Webb Spots Something Strange Between Day and Night on an Alien Planet

James Webb Space Telescope Reveals Two Completely Different Twilights on an Alien World

For the first time, astronomers have distinguished between the morning and evening atmospheres of a single planet, revealing two remarkably different environments at its edges. WASP-121 b is a gas giant that orbits extremely close to its star, resulting in one hemisphere exposed to temperatures approaching 2,500 degrees Celsius while the opposite side remains in constant darkness. A research team from the Max Planck Institute for Astronomy used …

James Webb Spots Something Strange Between Day and Night on an Alien Planet

James Webb has revealed that the sunrise and sunset sides of WASP-121 b have surprisingly different atmospheres.

James Webb Space Telescope forecasts extreme weather on exoplanet that rains rubies and sapphires

The James Webb Space Telescope has mapped the chaotic atmosphere of WASP-121b, an oblong exoplanet featuring 11,000-mph winds and nighttime rains of liquid gems.

NASA's Webb Catches Exoplanet Getting Roasted - NASA Science

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NASA's Webb Catches Exoplanet Getting Roasted

The extremely elliptical orbit of gas giant exoplanet HD 80606 b results in temperature swings of 1,100 degrees Fahrenheit (600 degrees Celsius) during the course of its 111-day trip around its Sun-like star. Scientists see the exoplanet's extreme conditions as an ideal opportunity to test current understanding of atmospheric radiation, dynamics, and chemistry. NASA's James Webb Space Telescope has captured the first mid-infrared spectroscopic o…