Mars Astrobiology: Recent Status and Progress - Planetary Exploration and Science: Recent Results and Advances - page 178

Fig. 8.14 This sharp, closeup image taken by the microscopic imager on the Mars Exploration
Rover Opportunity's instrument deployment device, or “arm,” shows sedimentary layers and a
hematite spherule within a rock target dubbed “Robert E,” located on the rock outcrop at Meridiani
Planum, Mars. Scientists are studying this area for clues about the rock outcrop's composition.
This image measures 3 cm (1.2 in.) across - Opportunity rover ( http://mars.jpl.nasa.gov/mer/
gallery/press/opportunity/20040212a.html - NASA/JPL-Caltech/Cornell University/USGS/Texas
A&M University, February 8, 2004)
Fig. 8.15 This mosaic image shows an extreme close-up of round, blueberry-shaped hematite
spherules in the Martian soil near a part of the rock outcrop at Meridiani Planum called Stone
Mountain - Opportunity rover ( http://mars.jpl.nasa.gov/mer/gallery/press/opportunity/20040212a.
html - NASA/JPL-Caltech/Cornell University/USGS/Texas A&M University, February 10, 2004)