Astronomy Picture of the Day ·
The Dotted Dunes of Mars
The Astronomy Picture of the Day for August 5, 2007 is “The Dotted Dunes of Mars,” an image. The picture is copyrighted by its creator (Credit & Copyright: Malin Space Science Systems , MOC , MGS , JPL , NASA). The original explanation runs about 133 words.
From the explanation
“What causes the black dots on dunes on Mars? As spring dawned on the Northern Hemisphere of Mars in 2004, dunes of sand near the poles begin to defrost.”
— APOD editors, August 5, 2007
Read the full explanation on science.nasa.gov
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At a glance
- Date
- August 5, 2007
- Type
- Image
- Credit
- Credit & Copyright: Malin Space Science Systems , MOC , MGS , JPL , NASA
- Copyright
- Copyrighted by the credited creator. Ask the copyright holder before reusing it.
- Explanation length
- About 133 words