rings

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。

天文·每日一图

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。

天文·每日一图

韦伯影像: 恒星WR 140的尘埃壳

A bright spot at the center is surrounded by many concentric rings. The rings are nearly — but not exactly — circular in appearance. Please see the explanation for more detailed information.
中心的亮点被许多同心环包围。这些环的外观几乎是圆形的,但并不完全是。 有关更多详细信息,请参阅说明。

天文·每日一图

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。

天文·每日一图

海王星:带环冰质巨行星

2023年8月19日 Ringed Ice Giant Neptune Image Credit: NASA, ESA, CSA, STScI, NIRCam Explanation: Ringed ice giant Neptune lies near the center of this sharp near-infrared image from the James Webb Space Telescope. The dim and distant world is the farthest planet from the Sun, about 30 times farther away

天文·每日一图

螺旋星系NGC 1398的环与棒

2023年7月12日 Rings and Bar of Spiral Galaxy NGC 1398 Image Credit: Mark Hanson; Data: Mike Selby Explanation: Why do some spiral galaxies have a ring around the center? Spiral galaxy NGC 1398 not only has a ring of pearly stars, gas and dust around its center, but a bar of stars and gas across its cen

天文·每日一图

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

天文·每日一图

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

滚动至顶部