Press Release: NASA Space Telescope Discovers Largest Ring Around Saturn

NASA Space Telescope Discovers Largest Ring Around Saturn For Release: October 06, 2009 PASADENA, Calif. — NASA's Spitzer Space Telescope has discovered an enormous ring around Saturn — by far the largest of the giant planet's many rings. The new belt lies at the far reaches of the Saturnian system, with an orbit tilted 27 degrees from the main ring plane. The bulk of its material starts about si

[uruloki]

スピッツァーがこれまでで最大の土星の輪を発見。軌道面から27度傾き、土星からの距離600万km～1200万kmに広がる。厚みは土星直径の20倍。構成されるダストの温度は約80K。/すごい。赤外線で観測できてしまうのか。