11-12-2009, 07:15 AM
|
#3
|
|
™
Join Date: Jul 2003
Location: Arlington, VA
Posts: 27,717
|
Quote:
|
But before you head for the nuclear bunkers you will be relieved to learn the tumbling rock was only 23ft across. Similar sized objects ... impact on the planet about once every five years.
|
|
|
|