Source: USGS
A quote to note from Andrew Elmore:
“The most unique thing about Landsat is its length of record… The ability to go back 30 years or more is something you just can’t do with any other sensor.”

Join the Pale Blue Dot Visualization Challenge and Be Part of a Brighter Future
The Pale Blue Dot Visualization Challenge—aimed at making Earth observation data accessible to everyone—has officially kicked off.