土星环

天文·每日一图

穿越土星环面

The planet Saturn is shown as an orange orb with bands. A blue line with bumps runs across the middle — which is the rings seen sideways. The bumps are small moons. Please see the explanation for more detailed information.
图中土星呈现为一个带有条纹的橙色球体。一条带有凸起的蓝色线条横贯其中心——这就是从侧面看到的土星环。这些凸起是土星的小卫星。有关更多详细信息,请参阅说明。

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土星环消失之谜

The planet Saturn is shown many times down the composite image. The top image was taken in 2020 and shows Saturn’s rings very clearly, whereas the bottom image was taken in 2025 and the rings are only visible as a dark line across the planet. The six images show the progression year by year. Please see the explanation for more detailed information.
土星在合成图像中多次出现。上方图像拍摄于2020年,清晰地展现了土星环;下方图像拍摄于2025年,土星环仅以一条暗线的形式横跨整个土星。这六幅图像展现了土星环逐年变化的轨迹。有关更多详细信息,请参阅说明。

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土星的夜晚

See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。

资讯

土星环在韦伯对环形行星的观测中闪闪发光

詹姆斯·韦伯太空望远镜的NIRCam仪器于2023年6月25日拍摄的土星及其部分卫星的图像。在这张单色图像中,NIRCam滤波器F323N(3.23微米)用橙色色调进行颜色映射。从太空望远镜科学研究所下载带注释和未注释的全分辨率图像。 影像来源:NASA, ESA, CSA, STScI, M. Tiscareno (SETI Institute), M. Hedman (University of Idaho), M. El Moutamid (Cornell University), M. Showalter (SETI Institute), L. Fletcher (Universit

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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

天文·每日一图

土星环之内与之外

2021年04月04日 In, Through, and Beyond Saturn’s Rings Image Credit: Cassini Imaging Team, ISS, JPL, ESA, NASA Explanation: Four moons are visible on the featured image — can you find them all? First — and farthest in the background — is Titan, the largest moon of Saturn and one

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蛾眉相的土星

2020年8月8日 Crescent Saturn Image Credit: NASA, ESA, SSI, Cassini Imaging Team Explanation: From Earth, Saturn never shows a crescent phase. But when viewed from a spacecraft the majestic giant planet can show just a sunlit slice. This image of crescent Saturn in natural color was taken by the robotic

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卡西尼号太空船越过土星环面

2019 December 29 Cassini Spacecraft Crosses Saturn’s Ring Plane Image Credit: NASA, ESA, JPL, ISS, Cassini Imaging Team; Processing: Fernando Garcia Navarro Explanation: If this is Saturn, where are the rings? When Saturn’s “appendages” disappeared in 1612, Galileo did not un

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