It's definitely not what I normally picture when I think about asteroids.
It's definitely not what I normally picture when I think about asteroids.
"Despite this new evidence, curiously in 2008 the impact hypothesis was revived by some pseudoscientists in connection to supposed observations of a meteorite by the Sumerians or to explain the death of the Iceman as a human sacrifice to prevent a nuclear winter after the impact."
http://historyofgeology.fieldofscience.com/2011/04/landslide...
Unfortunately the sciforums link to discussion of the pseudoscientists is dead
There was after all a sun cult in Europe at this time.
And we have recovered an iron dagger made from a meteorite in the 14th century BCE. So this phenomenon of tracking a meteorite impact site and finding it might go much further back in human history.
Some witnesses are speaking of the heat they felt on their faces.
Now compare the size of that thing which is assumed to be schoolbus-like at the most, with what's assumed for the 'Köfels impact'. I think it was about one kilometer.
Ouch!
It came in fast and in a flat angle from somewhere up in the Arctic, over what is now the North Sea, over what is now Germany, and smashed into/grazed the northern side of what is now the 'Gamskogel' near 'Köfels' in the Alps in Austria. The resulting cloud of glowing white hot stuff got almost ejected back into space, and mostly stayed on course North->South by inertia, sending it over the Adriatic Sea, radiating heat downwards in the process. Some of it impacted in the Levante in multiple places, some far apart, over several hours.
Skyfall!1!!
But I'm wondering about such shallow angles - wouldn't it bounce off the atmosphere or somesuch? Perhaps it's just about possible somehow: just imagine firing a kilometre of rock from a mountain at a six degree angle with enough velocity to get it into orbit, but in reverse.
Tunguska must have been just too steep because it left a very long track and likely did not even impact.
https://en.wikipedia.org/wiki/Tunguska_event
At Mach 80 a lot of things that seem compressible are not... so yes, once you get to angles like that at some point it would possibly deflect but the energy dissipated will still be massive and the shockwave will be ringing the whole planet.