The U.S. Geological Survey (USGS)/ Landsat program holds the title for the longest continuous space-based record of Earth’s land in existence. That’s nearly 50 years of steadfast observation! Explore how it all began and why the program was born: | NASA - National Aeronautics and Space Administration

#Landsat 8 launched 10 years ago today! For over 50 years, the Landsat mission has kept a watchful eye over Earth, providing the longest continuous record of our planet from space. Landsat is a joint mission between NASA - National Aeronautics and Space Administration and the U.S. Geological Survey (USGS). Landsat 8 was also the first to allow everyone in the world fully free and open access to its data from first light. #OpenScience To celebrate, let’s look back at some of the remarkable ways L