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.
Power and Ethernet cables disappear over the rim of the crater. The collapse left the chunk of rim in the background dangling precariously. It is likely that this slice will join its neighbor in the coming weeks.
Public Domain.
