Rock Hunting on Mars Not Easy, UT Geologist Says (290)
KNOXVILLE, Tenn. — Steering a vehicle across Mars is no easy task, especially when the driver is on Earth, a University of Tennessee geologist on NASA’s Mars Pathfinder team said Wednesday. Dr. Hap McSween has been training at NASA’s Jet Propulsion Labs in Pasadena, Calif., for the mission set to land July 4. McSween said