3 ms·
It seems to me that the estimates of how frequent a given impact happens are off. An impact by a iron meteorite 200' in diameter at a speed of 20k MPH and 90 de
by krunck 4y ago
It seems to me that the estimates of how frequent a given impact happens are off. An impact by a iron meteorite 200' in diameter at a speed of 20k MPH and 90 degree angle does not happens on average every 454 years.
When was the last time any that size rock impacted the earth?
- fallingknife 4y agoI think it's just based on impact energy