Astronomy Picture of the Day ·
Unusual Spheres on Mars
The Astronomy Picture of the Day for September 25, 2012 is “Unusual Spheres on Mars,” an image. It is credited to Image Credit: Mars Exploration Rover Mission , Cornell , JPL , NASA. The original explanation runs about 149 words.
From the explanation
“Why are these strange little spheres on Mars? The robotic rover Opportunity chanced across these unusually shaped beads earlier this month while exploring a place named Kirkwood near the rim of Mars’ Endeavour Crater .”
— APOD editors, September 25, 2012
Read the full explanation on science.nasa.gov
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At a glance
- Date
- September 25, 2012
- Type
- Image
- Credit
- Credit: Image Credit: Mars Exploration Rover Mission , Cornell , JPL , NASA
- Copyright
- No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
- Explanation length
- About 149 words