Much smaller than gas-giants and typically cooler than hot Jupiters, sub-Neptunes were extremely challenging to observe before the launch of NASA's James Webb Space Telescope. Though they appear to be the most common type of exoplanet in our galaxy, you won't find them in our solar system.NASA's Webb Lifts Veil on Common but Mysterious Type of Exoplanet
May 06, 2025
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Much smaller than gas-giants and typically cooler than hot Jupiters, sub-Neptunes were extremely challenging to observe before the launch of NASA's James Webb Space Telescope. Though they appear to be the most common type of exoplanet in our galaxy, you won't find them in our solar system.
