geological mystery
Remember Rover? Rover is still finding stuff, and this latest find is strange, enigmatic, interesting, and worthy of further investigation. So far there is only a press release from NASA, here:
NASA Mars Rover Opportunity Reveals Geological Mystery
PASADENA, Calif. -- NASA's long-lived rover Opportunity has returned an image of the Martian
surface that is puzzling researchers.
Spherical objects concentrated at an outcrop Opportunity reached last week differ in several ways
from iron-rich spherules nicknamed "blueberries" the rover found at its landing site in early 2004 and
at many other…