Explanation: Unusual shadows and dark rings appeared around Saturn near its equinox last month. At that time -- early August -- Saturn's ring plane pointed directly at the Sun. Visible above, Saturn's moon Tethys casts a shadow visible only on the far right. Saturn's own shadow blacks out a large swath of rings on the right. The night side of Saturn glows with ringshine -- sunlight reflected by ring particles back onto Saturn. Images near equinox at Saturn are giving astronomers a chance to search for unexpected shadows that may illuminate previously unknown features of Saturn's complex ring system. Cassini, the robotic spacecraft orbiting Saturn that took this image, is not expected to survive to the next Saturnian equinox in 15 years.
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NASA Official: Jay Norris. Specific rights apply.
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& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Saturn - equinox
Publications with words: Saturn - equinox
See also:
- APOD: 2024 December 8 Á Aurora around Saturns North Pole
- Saturn at Night
- APOD: 2024 September 22 Á Chicagohenge: Equinox in an Aligned City
- Sunrise Shadows in the Sky
- APOD: 2024 August 27 Á Moon Eclipses Saturn
- APOD: 2024 June 23 Á The Colors of Saturn from Cassini
- APOD: 2024 March 19 Á A Picturesque Equinox Sunset