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Impact event - Wikipedia


In the early history of the Earth (about four billion years ago), bolide ... Such impacts could have included strikes by asteroids hundreds of ... believed to have been caused by an asteroid 10 km a...

Asteroid Impacts:10 Biggest Known Hits - National Geographic News


Feb 15, 2013 ... The asteroid 2012 DA14 will narrowly miss Earth this Friday, but meteorites have been hitting Earth for billions of years.

Meteorites, Impacts, & Mass Extinction - Tulane University


Dec 1, 2014 ... A Meteorite is a piece of rock from outer space that strikes the surface of the Earth . A Meteoroid is a meteorite before it hits the surface of the ...

Crash! 10 Biggest Impact Craters on Earth - Live Science


Apr 28, 2014 ... Whether they're the size of a molehill or a mountain, meteorite impacts are one of the most destructive forces in the solar system. Here on Earth ...

Just Discovered In Australia: The Largest Asteroid Impact Ever ...


Mar 23, 2015 ... The new discovery in Australia dwarfs Meteor Crater in Arizona, one of the best preserved meteorite craters in the world. The crater in Australia ...

How Often do Meteorites Hit the Earth? - Space.com


Aug 10, 2016 ... In order to understand meteorite impacts on Earth, it is important to know where the chunks of rock come from. Meteoroids are rocky remnants ...

ATLAS - Historical Impacts - Asteroid Terrestrial-impact Last Alert ...


Asteroid impacts dramatic enough to notice are rare. ... The Chelyabinsk event ranks as the largest impact recorded on Earth since the Tunguska fireball above  ...

History of asteroid impacts - The Why Files


A 10-kilometer asteroid or comet caused a global firestorm, a cold snap,, Asteroidal assassins asteroid about to impact earth People have been worrying about ...

Earth Impact Database - Planetary and Space Science Centre


The Earth Impact Database (EID) comprises a list of confirmed impact structures from around the world. To date ... Do you think you've discovered a meteorite?

Meteorite impacts - American Museum of Natural History


Countless impacts continue to shape Earth, other planets and moons in our dynamic Solar System.