This 60 by 50 kilometer (37 by 31 mile) scene shows almost the entire island of Oahu, Hawaii, on June 3, 2000. Oahu is the commercial center of Hawaii, and tourism is the largest contributor to the economy. Among the many popular beaches is the renowned Waikiki Beach, backed by the famous Diamond Head, an extinct volcano. The largest community, Honolulu, is the state capital. The Terra spacecraft, the flagship of a fleet of satellites dedicated to understanding our global environment, is part of NASA's Earth Sciences Enterprise, a long-term research program dedicated to understanding how human-induced and natural changes affect our world.