Have you gotten a copy of the email yet? If you haven't, you probably will. Forwarded from a friend, forwarded again and again until the original source is lost in the murky cloud of the Internet, it encourages you to get set for the experience of a lifetime. When MARS WILL LOOK AS LARGE AS THE FULL MOON!!!!! Is this going to happen? No. But there's a strange gem of truth at the heart of this misunderstanding/hoax. I'll give you the history and then everything you need to explain what's going on to your excited but misinformed email forwarding friends.