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.
A Landsat 5 image of the Chernobyl Nuclear Power Plant site in Ukraine on April 29, 1986, three days after the accident, shows no warmth in the cooling pond.
Public Domain.
