Space Veteran Landsat 7 Marks 15 Years of Observing Earth
April 15, 2014
Launched on April 15, 1999, the Landsat 7 satellite has now been observing Earth from outer space for 15 years. The Landsat program is a decades-long NASA and U.S. Geological Survey (USGS) partnership that has provided a continuous, unbiased record of change across the earth land surface since 1972.
