Astronomy Picture of the Day ·
Dry Ice Sled Streaks on Mars
The Astronomy Picture of the Day for June 17, 2013 is “Dry Ice Sled Streaks on Mars,” an image. It is credited to Image Credit: HiRISE , MRO , LPL (U. Arizona) , NASA. The original explanation runs about 159 words.
From the explanation
“What creates these long and nearly straight grooves on Mars? Dubbed linear gullies , they appear on the sides of some sandy slopes during Martian spring, have nearly constant width, extend for as long as two kilometers, and have raised banks along their sides.”
— APOD editors, June 17, 2013
Read the full explanation on science.nasa.gov
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At a glance
- Date
- June 17, 2013
- Type
- Image
- Credit
- Credit: Image Credit: HiRISE , MRO , LPL (U. Arizona) , NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 159 words