Landsat satellites have provided a continuous record of Earth’s surface from space since 1972 allowing us to track changes in the natural and human-influenced environment. #EarthMonth Witness USGS Landsat's observations of the rapid growth of Las Vegas over the last 50 years. Irrigated vegetation appears in red. | NASA History

Across nearly 50 years, Landsat data has helped us better understand our home planet. Here’s how: Identifying Earth’s environmental changes. Helping farmers manage agricultural practices. Assisting researchers to allocate scarce water resources. Improving response to natural disasters. The mission and work continues as Landsat 9 sets to launch in 2021. Learn more: https://go.nasa.gov/2D220Vy via Landsat 🌎 | NASA’s Goddard Space Flight Center

The Landsat 9 Earth Satellite | NASA's Goddard Space Flight Center FriendsofNASA.org: For over 50 years, the Landsat program has provided the longest continuous satellite record of Earth's land surface from space. Landsat 9, launched in 2021, is the latest mission in this remarkable legacy—building on decades of Earth observation with upgraded technology, including enhanced radiometric resolution, improved signal-to-noise performance, and polar night thermal imaging. Working in tandem with Lands