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Landsat 5 was a low Earth orbit satellite launched on March 1, 1984, to collect of the surface of Earth. A continuation of the Landsat Program, Landsat 5 was jointly managed by the U.S. Geological Survey (USGS) and the National Aeronautics and Space Administration (NASA). Data from Landsat 5 was collected and distributed from the USGS's Center for Earth Resources Observation and Science (EROS). After 29 years in space, Landsat 5 was officially decommissioned on June 5, 2013. Near the end of its mission, Landsat 5's use was hampered by equipment failures, and it was largely superseded by Landsat 7 and Landsat 8. Mission scientists anticipated the satellite will re-enter Earth's atmosphere and disintegrate around 2034. Recognized by Guinness World Records as the longest-operating Earth-observing satellite mission in history, Landsat 5 orbited the planet more than 150,000 times while transmitting more than 2.5 million images of land surface conditions around the world, greatly outliving its original three-year design life. Landsat 5 had a maximum transmission bandwidth of 85 Mbit/s. It was deployed at an altitude of , and it took about 16 days to scan the entire Earth. The satellite was an identical copy of Landsat 4 and was originally intended as a backup. Therefore, Landsat 5 carried the same instruments, including the Thematic Mapper and Multi-Spectral Scanner. The Multi-Spectral Scanner was powered down in 1995, but reactivated again in 2012. Landsat 5 was launched by NASA from Vandenberg Air Force Base on March 1, 1984. Landsat 5 recorded many significant events. It was the first satellite to capture the nuclear accident at Chernobyl in 1986. Landsat 5 also documented deforestation occurring in tropical regions, and captured the devastating 2004 tsunami in southeast Asia. On November 26, 2005, the back-up solar array drive on Landsat 5 began exhibiting unusual behavior. The solar array drive maintains the proper pointing angle between the solar array and the Sun.

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NASA

The National Aeronautics and Space Administration (NASA ˈnæsə) is an independent agency of the U.S. federal government responsible for the civil space program, aeronautics research, and space research. Established in 1958, NASA succeeded the National Advisory Committee for Aeronautics (NACA) to give the U.S. space development effort a distinctly civilian orientation, emphasizing peaceful applications in space science.

Landsat program

The Landsat program is the longest-running enterprise for acquisition of of Earth. It is a joint NASA / USGS program. On 23 July 1972, the Earth Resources Technology Satellite was launched. This was eventually renamed to Landsat 1 in 1975. The most recent, Landsat 9, was launched on 27 September 2021. The instruments on the Landsat satellites have acquired millions of images.

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