NASA's Webb Lifts Veil on Common but Mysterious Type of Exoplanet

NASA's Webb Lifts Veil on Common but Mysterious Type of Exoplanet

Space Daily

Published

Washington DC (SPX) May 06, 2025

Though they don't orbit around our Sun, sub-Neptunes are the most common type of exoplanet, or planet outside our solar system, that have been observed in our galaxy. These small, gassy planets are shrouded in mystery...and often, a lot of haze. Now, by observing exoplanet TOI-421 b, NASA's James Webb Space Telescope is helping scientists understand sub-Neptunes in a way that was not possible pr

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