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Impact event

en.wikipedia.org/wiki/Impact_event

An impact event is a collision between celestial objects causing measurable effects. Impact .... The minimum impact velocity on Earth is 11 km/s with asteroid impacts averaging around 17 km/s. The m...

Asteroid Impacts:10 Biggest Known Hits - National Geographic News

news.nationalgeographic.com/news/2013/13/130214-biggest-asteroid-impacts-meteorites-space-2012da14/

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

Crash! 10 Biggest Impact Craters on Earth - LiveScience

www.livescience.com/45126-biggest-impact-crater-earth-countdown.html

Apr 28, 2014 ... Ancient scars. Credit: Science. Whether they're the size of a molehill or a mountain, meteorite impacts are one of the most destructive forces in ...

History of asteroid impacts - The Why Files

whyfiles.org/106asteroid/2.html

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 ...

Meteorite Impacts

csep10.phys.utk.edu/astr161/lect/meteors/impacts.html

Meteorite Impact Velocities. The average velocity of meteoroids entering our atmosphere is 10-70 km/second. The smaller ones that survive the trip to the Earth's ...

Earth Impact Database - Planetary and Space Science Centre

www.passc.net/EarthImpactDatabase/

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?

Meteorites, Impacts, & Mass Extinction - Tulane University

www.tulane.edu/~sanelson/geol204/impacts.htm

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 ...

Current Impact Risks - Near-Earth Object Program - NASA

neo.jpl.nasa.gov/risks/

Sentry is a highly automated collision monitoring system that continually scans the most current asteroid catalog for possibilities of future impact with Earth over ...

Effects of an Asteroid Impact on Earth - Astronomy Notes

www.astronomynotes.com/solfluf/s5.htm

Apr 25, 2013 ... Effects of an Asteroid Impact on Earth. Chapter index in this window — — Chapter index in separate window. This material (including images) ...

Asteroid Impacts on Earth Can Pack Bigger Punch Than a Nuclear ...

www.space.com/25590-asteroid-impacts-earth-day-b612-video.html

Apr 22, 2014 ... Since the start of the 21st century, dozens of incoming asteroids have slammed into Earth, some of them packing far more energy than a ...

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

www.popsci.com

Mar 23, 2015 ... The new discovery in Australia dwarfs Meteor Crater in Arizona, one of ... A long time ago, a huge meteorite entered the earth's atmosphere in a ...

Meteor Craters - Explore 50 Asteroid Impact Sites! - GEOLOGY.COM

geology.com

Explore fifty of earth's most obvious asteroid impact sites with satellite images and maps. Use the buttons in the upper left to navigate and change your zoom ...

Killer Asteroids - Impact: Earth

www.killerasteroids.org

Each time astronomers identify an asteroid that isn't on a collision course with Earth, the calculated odds of an impact go down a little bit. By the time the current  ...