A Planet in Focus—USGS Landsat 7 Earth Satellite's Legacy | NASA Goddard
Launched in 1999, Landsat 7 carried forward NASA and United States Geological Survey’s mission to continuously monitor Earth’s surface, capturing stunning, high-resolution imagery every 16 days for over two decades. This video pays tribute to the satellite’s remarkable 25-year journey—from its first light over South Dakota to its final pass over Las Vegas in 2024.
Equipped with the powerful Enhanced Thematic Mapper Plus (ETM+), Landsat 7 transformed how we study agriculture, urban growth, wildfires, coral reefs, and even Antarctica. Despite a scan line corrector malfunction in 2003, scientists developed innovative methods to keep the data flowing—ultimately enabling over 3 million images, thousands of scientific publications, and billions in economic benefits.
Let's take a look back at how this mission reshaped our understanding of a changing planet—and laid the foundation for the future of Earth observation.
Duration: 5 minutes, 26 seconds
Release Date: June 10, 2025
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