I’d guess that the loudest sound ever on Earth was the one when a collision caused the moon to break away.
But if a collision takes place with no ears to hear it, does it make a sound?
> On Mar 17, 2015, at 6:30 PM, David Lewis <[log in to unmask]> wrote:
> The loudest sound I ever heard was when an oil refinery blew up a few
> blocks from my house in San Pedro. No one was hurt, miraculously, but the
> force of the shock
> almost blew the windows out at my place.
> Dave Lewis
> Hamilton, OH