詹姆斯·韦伯太空望远镜绘制了土卫二喷射出的令人惊讶的巨大羽流
研究人员利用NASA的詹姆斯·韦伯太空望远镜探测到来自土星卫星土卫二的水蒸气羽流，跨度超过6000英里——几乎是从加州洛杉矶到阿根廷布宜诺斯艾利斯的距离。
标签： Saturn
观星指南（2023年5月）
5月份的天空会发生什么？月球与行星的合影，我们到达了“金星的顶峰”，以及南半球的天空有什么不同呢？
土卫十二的彩色影像
2023年4月30日 Saturn’s Moon Helene in Color Image Credit: NASA, JPL-Caltech, SSI; Processing: Daniel Macháček Explanation: Although its colors may be subtle, Saturn’s moon Helene is an enigma in any light. The moon was imaged in unprecedented detail in 2012 as the robotic Cassini spacecraft orbiting Saturn swooped to within a single Earth diameter o...
观星指南（2023年4月）
4月份的天空会发生什么？水星高升，本月的月亮和行星配对，以及天琴座流星雨。
哈勃发现土星环正在加热其大气层
土星巨大的环系统正在加热这颗巨行星的上层大气。这种现象在太阳系中从未出现过。
银河巨人土卫六和土星
Titan, Saturn’s largest moon, looks quite small in comparison to the giant planet behind it in this natural color view from the Cassini-Huygens spacecraft. This image from Aug. 29, 2012, also shows seasonal changes occurring on Saturn; as spring comes to the northern Saturnian hemisphere, the azure blue seen fades, while winter in the south adds a bluish hue...
土卫七: 有古老陨石坑的卫星
2023年3月12日 Saturn’s Hyperion: A Moon with Odd Craters Image Credit: NASA, ESA, JPL, SSI, Cassini Imaging Team Explanation: What lies at the bottom of Hyperion’s strange craters? To help find out, the robot Cassini spacecraft that once orbited Saturn swooped past the sponge-textured moon and took images of unprecedented detail. A six-image mosaic ...
观星指南（2023年3月）
3月份的天空会发生什么？金星高高升起，而木星向太阳后方俯冲，还有一颗与你的早餐麦片同名的小行星。
土卫八: 有怪异表面的卫星
2023年2月26日 Saturn’s Iapetus: Moon with a Strange Surface Image Credit: NASA, ESA, JPL, SSI, Cassini Imaging Team Explanation: What would make a moon look like a walnut? A strange ridge that circles Saturn’s moon Iapetus’s equator, visible near the bottom of the featured image, makes it appear similar to a popular edible nut. The origin of t...
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 from the planet Saturn. The result is that the normally snow-w...