83K views · 822 shares | Today, in 1972, the NASA - National Aeronautics and Space Administration & U.S. Geological Survey (USGS) mission - Landsat - began 45 years of Earth science observations & returning stunningly beautiful images of our home planet. This video shows footage of the launch of the first Landsat satellite, on July 23, 1972, and a time lapse of the changing coastal wetlands in Atchafalaya Bay, Louisiana. | NASA’s Goddard Space Flight Center | Facebook
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