On Monday, March 5, 2012 2:48:08 AM UTC-5, greysky wrote:
60 meter asteroid DA14 will pass *under* our orbital satellites next
february. That's scary close. How close? So close that the earth's gravity
will distort the orbit radically, so right now no one can tell if it'll
hit us or not. A tunguska -like event over new york will not be a good
thing, but, only time will tell...

http://rt.com/news/paint-asteroid-earth-nasa-767/

How do you tell if its an asteroid or a comet when it hits. I'm looking at a picture of Tempel 1 Its a very dry comet with crates in craters. Get the picture TreBert