海王星: 带环冰质巨行星
See Explanation. Clicking on the picture will download the highest resolution version available.
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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。
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 than planet Earth. But in the stunning Webb view, the plane...
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 center, and spiral arms that appear like ribbons farther out. T...
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 spacecraft took hundreds of images showing unprecedented det...
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 Saturn’s rings and night side just isn’t possible f...
2022年9月23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 than planet Earth. But in the stunning Webb view the plane...
2021年9月19日 Rings and Seasons of Saturn Image Credit & Copyright: Damian Peach/SEN Explanation: On Saturn, the rings tell you the season. On Earth, Wednesday marks an equinox, the time when the Earth’s equator tilts directly toward the Sun. Since Saturn’s grand rings orbit along the planet’s equator, these rings appear most prominent &#...
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 Saturn’s rings and night side just isn’t possible from tel...
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 of the larger moons in the Solar System. The dark feature ac...