Astronomy Picture of the Day · December 18, 2007

Unusual Silica Rich Soil Discovered on Mars

The Astronomy Picture of the Day for December 18, 2007 is “Unusual Silica Rich Soil Discovered on Mars,” an image. It is credited to Credit: Mars Exploration Rover Mission , Cornell , JPL , NASA. The original explanation runs about 157 words.

From the explanation

“You’re rolling across Mars when you unexpectedly uncover some unusually light soil. You stop.”

— APOD editors, December 18, 2007

Read the full explanation on science.nasa.gov

At a glance

Date: December 18, 2007
Type: Image
Credit: 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 157 words