Astronomy Picture of the Day ·
An Unusual Vein of Deposited Rock on Mars
The Astronomy Picture of the Day for December 12, 2011 is “An Unusual Vein of Deposited Rock on Mars,” an image. It is credited to Image Credit: Mars Exploration Rover Mission , NASA , JPL , Cornell ; Image Processing: Kenneth Kremer , Marco Di Lorenzo. The original explanation runs about 126 words.
From the explanation
“What could create this unusual vein of rock on Mars? A leading hypothesis is that this thin rock layer dubbed “Homestake” was deposited by a running liquid — like most mineral veins are here on Earth.”
— APOD editors, December 12, 2011
Read the full explanation on science.nasa.gov
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At a glance
- Date
- December 12, 2011
- Type
- Image
- Credit
- Credit: Image Credit: Mars Exploration Rover Mission , NASA , JPL , Cornell ; Image Processing: Kenneth Kremer , Marco Di Lorenzo
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 126 words