Curiosity Rover Finds a Clay Cache on Mars
Why is there clay on Mars?
can form at the bottom of a peaceful lake when specific minerals trap water.
pictured site on
the robotic rover Curiosity drilled into two rocks and found the
concentration of clay yet.
The clay cache is considered addition evidence that
Gale Crater once held water in the distant past.
Pictured, 57 images taken by Curiosity have been combined into a selfie.
The images were taken by a camera at the end of its robotic arm.
Many details of the
rover are visible, including its rugged wheels, numerous scientific instruments,
and a high mast that contains camera "eyes", one of which can shoot out an infrared
Curiosity continues to roll around and up
-- in the center of Gale Crater --
in a search for new clues about the ancient history of
Mars and whether or not the red planet once had conditions that could
Authors & editors:
NASA Web Site Statements, Warnings,
NASA Official: Jay Norris.
A service of:
& Michigan Tech. U.
Publications with keywords: Mars
Publications with words: Mars