An official website of the United States government
Here's how you know
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.
Launched on April 15, 1999, the Landsat 7 satellite has now been observing Earth from outer space for 15 years.
During this time, over 1,722,867 images have been acquired and made available to users worldwide. Landsat 7 provides a worldwide audience with objective views, both current and historical, of events and trends across Earth’s landscape.