韦布望远镜发现天王星新卫星
Xin Hua She·2025-08-20 10:11

Core Insights - NASA's recent announcement reveals the discovery of a new satellite orbiting Uranus, increasing the total known number of Uranian satellites to 29 [1] - The satellite was identified using images from the James Webb Space Telescope, specifically from a project led by the Southwest Research Institute [1][2] - The newly discovered satellite has an estimated diameter of approximately 10 kilometers, making it smaller than the previously known smallest Uranian satellite [1] Group 1 - The new satellite is located about 56,000 kilometers from the center of Uranus and orbits in a nearly circular path between the orbits of the known satellites Ophelia and Bianca [1] - This discovery is significant as it was not detected by the Voyager 2 spacecraft nearly 40 years ago, highlighting the advanced capabilities of the James Webb Space Telescope [1] - The findings are part of the "Public Observer Program" of the Webb Telescope, which allows global researchers to utilize its advanced instruments for scientific studies [2]