NASA的卡西尼号数据揭示土卫二海洋中生命的组成部分
磷是许多生物过程的关键化学元素，在这颗小卫星释放出的冰颗粒中发现了磷，并可能在其地下海洋中也大量存在。
Cassini
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透视土卫六
2023年3月31日 Seeing Titan Image Credit: VIMS Team, U. Arizona, U. Nantes, ESA, NASA Explanation: Shrouded in a thick atmosphere, Saturn’s largest moon Titan really is hard to see. Small particles suspended in the upper atmosphere cause an almost impenetrable haze, strongly scattering light at vi
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被土星反照光照亮的土卫二
2023年2月5日 Enceladus by Saturnshine Image Credit: NASA; ESA, JPL, Cassini Imaging Team, SSI; Color Composite: Gordan Ugarkovic Explanation: This moon is shining by the light of its planet. Specifically, a large portion of Enceladus pictured here is illuminated primarily by sunlight first reflected fr
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卡西尼号从土星往外看
2022年12月23日 Cassini Looks Out from Saturn Image Credit: NASA, JPL-Caltech, Space Science Institute Explanation: This is what Saturn looks like from inside the rings. In 2017, for the first time, NASA directed the Cassini spacecraft to swoop between Saturn and its rings. During the dive, the robotic
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土星的夜面
2022年11月26日 Saturn at Night NASA, JPL-Caltech, Space Science Institute, Mindaugas Macijauskas Explanation: Saturn is still bright in planet Earth’s night skies. Telescopic views of the distant gas giant and its beautiful rings often make it a star at star parties. But this stunning view of Sat
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卡西尼号的红外光土星
2022年7月24日 Saturn in Infrared from Cassini Image Credit: NASA, JPL-Caltech, SSI; Processing: Maksim Kakitsev Explanation: Many details of Saturn appear clearly in infrared light. Bands of clouds show great structure, including long stretching storms. Also quite striking in infrared is the unusual he
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土星、土卫三、行星环及暗影
2022年1月23日 Saturn, Tethys, Rings, and Shadows Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: Seen from ice moon Tethys, rings and shadows would display fantastic views of the Saturnian system. Haven’t dropped in on Tethys lately? Then this gorgeous ringscape from the Cass
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土星的夜面
2021年9月11日 Saturn at Night Image Credit: NASA, JPL-Caltech, Space Science Institute, Mindaugas Macijauskas Explanation: Still bright in planet Earth’s night skies, good telescopic views of Saturn and its beautiful rings often make it a star at star parties. But this stunning view of SaturnR
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土星反照光里的土卫一
2021年7月30日 Mimas in Saturnlight Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: Peering from the shadows, the Saturn-facing hemisphere of Mimas lies in near darkness alongside a dramatic sunlit crescent. The mosaic was captured near the Cassini spacecraft’s final close app