----- Original Message ----- From: "Gary Nunn" <[EMAIL PROTECTED]> To: "Brin Mail List" <[EMAIL PROTECTED]> Sent: Tuesday, March 19, 2002 5:44 PM Subject: Near Miss: Asteroid takes Earth by surprise
> > > March 19 - An asteroid as wide as a Boeing 747 narrowly missed Earth this > month - and we never knew it was coming. The case of asteroid 2002 EM7 has > drawn attention to the gaps in the planet's infant system for monitoring > potential threats from space. > > Complete article here..... > An interesting point on "narrow". If we only knew that the asteroid would pass at least within 463,000 km, then we would calculate the odds on it hitting the earth as less than 1 in 5000. Dan M.
