Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Video showing Landsat 8 and Landsat 9 constellation and paths used for Earth imaging.
Public Domain.
Public domain video courtesy of NASA's Scientific Visualization Studio