Quote:
Originally Posted by Brokinarrow
That's just the hole in the ice it left, not necessarily the size of the fragment. If they manage to dredge the thing up from the lake then we may have a better idea of how big this thing was. Destructive power of these things depends on speed (which was pretty considerable) and composition as well as size.
Either way though, I'm sure we can all agree that this should help raise awareness of exactly why need a proper space industry to monitor and move/take advantage of these things before they drop on us  |
I know it's just a hole in the ice. But due to the speeds they knew it was traveling at and the orbit it was coming from, they can tell how big that fragment is without going down there to look at it yet.