55.6 MB (5.3 MB compressed)
5398 x 3598 pixels
45.7 x 30.5 cm ⏐ 18.0 x 12.0 in (300dpi)
PETER MENZEL / SCIENCE PHOTO LIBRARY PETER MENZEL / SCIENCE PHOTO LIBRARY
Virtual reality: a scientist manipulates a pair of video images of the Valles Marineris of the planet Mars, computer-generated from data provided by the Viking spacecraft at NASA's Ames Research Centre, California. Sophisticated computers & sensors provide the user with a "telepresence" in the virtual world, through small video screens mounted in goggles on a headset, whilst a spherical joystick controls movement through the virtual landscape. One future Martian application of this system might be in gathering geological samples by remote control using a "rover" robot. A sensor in the geologist's headset could direct the robot at specific sample targets.
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