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Cosmic Disasters of Near-Earth Objects

Cosmic Disasters: The likelihood of destruction due to meteors, comets or asteroids hitting the earth.
Geography Earth Science Glossary
Geography Earth Science Glossary
 
 
BBC
Close shave-asteroid
FloraTV
Debunking 2012 Cosmic Disaster
Lecture Notes by Bruce Walsh
Cosmic Impacts and life on earth
 
Impact Simulator
Shows impacts effect
About.com
Recent Cosmic Impacts
BBC Asteroid impact scale
A new risk scale
 
Wikipedia
Asteroids
How Stuff Works
Questions Impacts
NASA
Danger of being hit by an asteroid?
 
Impact
J.A. Marusek
Wikipedia
Comets
NASA
Workshop on the Mitigation of Impacts
 
Open Directory
List of Sites
NASA
Asteroid & Comet Impact Hazard
Earth Impact Effects Program
Interactive Site that shows effects
 
NOVA
Death Star
Tree Hugger
Impact Earth Calculator
Sandia Laboratory
Describes Impact
 
National Aeronautics and Space Administration
Newly Released Map Data Shows Frequency of Small Asteroid Impacts, Provides Clues on Larger Asteroid Population.
NASA Planetary Defense Coordination Office
Observations Program is responsible for finding, tracking, and characterizing near-Earth objects- asteroids and comets whose orbits periodically bring them within approximately 1.3 Astronomical Units (AU) of the Sun.
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