Abstract
While the Sojourner robot has inched from rock to rock across the Martian landscape over the past few weeks, amazing Earthlings with its close‐up view of the red planet, scientists are developing a next generation of bigger and more robust space‐ready robots.During a 45‐day field experiment that ended on July 31, a 726‐kg (1,600‐lb) robotic rover nicknamed “Nomad” practically sprinted more than 215 km (133 miles) around the cold and arid landscape of the Atacama Desert in northern Chile. The robot, which reached a maximum cruising speed of about 1.6 km per hour (1 mph), traveled 32.2 km (20 miles) further than scientists originally had hoped for.
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