Astronomy Picture of the Day ·
Ancient Craters of Southern Rhea
The Astronomy Picture of the Day for May 13, 2008 is “Ancient Craters of Southern Rhea,” an image. It is credited to Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA. The original explanation runs about 151 words.
From the explanation
“Saturn’s ragged moon Rhea has one of the oldest surfaces known. Estimated as changing little in the past billion years, Rhea shows craters so old they no longer appear round their edges have become compromised by more recent cratering.”
— APOD editors, May 13, 2008
Read the full explanation on science.nasa.gov
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At a glance
- Date
- May 13, 2008
- Type
- Image
- Credit
- Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 151 words