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.
Landsat's thermal and infrared bands also expose the Caldor fire's advancing edge at night time. This image is from August 29, 201, 15 days after ignition.
Public Domain.
