ocr: GEOGRAPHICA Rhadh, Saud Arahis details as small as a hundred feet wide. An emerging indastry interprets Landsat data for tarmers, foresters, and city planners. "Maps are instantancously updatable," notes Vincent Salomonson, carth sctences director at NASAS Goddard Space Flight Center. Next year NASA will launch a new, improved tool: Landsat 71 (Landsat 6, launched in 1993, failed to reach orbit). E a Landsat images are invaluable in signaling environmental danger. "We can see stress from space that we can't: see from the ground Landsat's Views of a Changing Earth until it's too: late," says Ra ...
