宇宙に関する数多くの新発見や構造の理解に貢献している超高性能宇宙望遠鏡「ジェイムズ・ウェッブ宇宙望遠鏡」を使って、「これまで知られていなかった天王星の衛星を特定した」とNASAの研究チームが発表しました。新しい衛星をより詳細に観察することで、天王星の ...

Uranus' new moon, S/2025 U1, was discovered in February 2025 and is approximately 6 miles in diameter, orbiting Uranus at a ...

Astronomers using NASA’s James Webb Space Telescope discovered a new moon orbiting Uranus in images taken by Webb’s NIRCam ...

The provisionally named S/2025 U1 is so small it had gone unnoticed by probes and telescopes for the past 40 years.

Astronomers using the James Webb Space Telescope have found an unknown moon orbiting Uranus, bringing the planet’s total to ...

観測は2025年2月2日、ジェイムズ・ウェッブ宇宙望遠鏡に搭載された近赤外線カメラ（NIRCam）で6時間ほどにわたって実施され、40分間の長時間露光で10枚の画像が撮影された。この観測データから天王星の新しい衛星が発見され、まだ正式名称ではないが「 ...

Astronomers using NASA's James Webb Space Telescope (JWST) have identified a new moon orbiting the icy planet Uranus, adding to the intrigue surrounding this distant world. This article explores the ...

Using NASA’s James Webb Space Telescope, a team led by the Southwest Research Institute (SwRI) has identified a previously ...

A team of astronomers announced Tuesday that a new satellite measuring roughly 90 football fields across was discovered ...

Astronomers find a new moon orbiting Uranus, boosting its known satellites to 29 using the James Webb Space Telescope.

NASA’s James Webb Space Telescope has uncovered a small moon quietly circling Uranus, a world already known for its unusual ...

Scientists have spotted a new moon orbiting Uranus that is so tiny it can be circumnavigated in just a few hours.