11. It was originally assumed that the Ries was of shock pressures associated with meteorite impact . 12. Arizona is home to one of the most well-preserved meteorite impact sites in the world. 13. Such hypotheses include radially-growing fungus, buried kimberlite pipes, trapped gas pockets, and meteorite impact craters. 14. A lonely figure in a bulky spacesuit walks slowly across a giant meteorite impact crater. 15. The meteorite impact came from the east, at an angle of 35 to 40 degrees. 16. The crater's origin has been postulated as meteorite impact , volcanic activity, dissolution collapse and other causes. 17. "' Liverpool "'is a meteorite impact crater situated in Arnhem Land within the Northern Territory, Australia. 18. And meteorite impacts don't really happen anymore. 19. These forms may be the result of tectonic movements in the Tharsis region, or of meteorite impacts . 20. The nitrates are believed to have been created from diatomic nitrogen in the atmosphere during meteorite impacts .