Astronomy Picture of the Day ·

Iapetus: 3D Equatorial Ridge

The Astronomy Picture of the Day for September 15, 2007 is “Iapetus: 3D Equatorial Ridge,” an image. It is credited to Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA Stereo Anaglyph: Patrick Vantuyne. The original explanation runs about 116 words.

Iapetus: 3D Equatorial Ridge
Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA Stereo Anaglyph: Patrick Vantuyne Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“This bizarre, equatorial ridge extending across and beyond the dark, leading hemisphere of Iapetus gives the two-toned Saturnian moon a distinct walnut shape.”

— APOD editors, September 15, 2007

Read the full explanation on science.nasa.gov

At a glance

Date
September 15, 2007
Type
Image
Credit
Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA Stereo Anaglyph: Patrick Vantuyne
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 116 words

All of September 2007 → · 2007 by month → · Full archive since 1995 →

Topics in this entry

Saturn

Topics are matched from words in the title and explanation.

On this day: September 15 in other years

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Source

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.