* Astronomy

The Longest Continuous View of Earth from Space Hits 40

NASA and the Interior Department Monday marked the 40th anniversary of the Landsat program, the world's longest-running Earth-observing satellite program. The first Landsat satellite was launched July 23, 1972, from Vandenberg Air Force Base in California.
The 40-year Landsat record provides global coverage that shows large-scale human activities such as building cities and farming. The program is a sustained effort by the United States to provide direct societal benefits across a wide range of human endeavours, including human and environmental health, energy and water management, urban planning, disaster recovery and agriculture.
Read more