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Large Asteroid Impacts (16)

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	Impact Parameters - http://www.lpl.arizona.edu/impacteffects/ Online calculator for cratering effects of hypothetical asteroid impacts.
	The SpaceGuard UK Portal - http://www.spaceguarduk.com/ National focus in the UK for studies into the threat posed to the Earth by collisions with asteroids and comets.
	Meteor Defense - http://128.192.54.192/bobk/meteor.html An argument for reducing global tension by developing a defense against impacts with Near Earth Objects.
	Asteroid Scare Prompts NASA to Formalize Response - http://www.space.com/scienceastronomy/asteroid_warning_040322.html An unprecedented asteroid scare in January 2004 has prompted NASA to set up a formal process for notifying top officials in the future of any impending impacts.
	U.S. Summons Experts to Draft Asteroid Defense Plan - http://news.nationalgeographic.com/news/2002/06/0607_020607_wirasteroid.html A Cincinnati Post news story about a meeting called by the U.S. government on the chances of an asteroid strike and a possible defense for it.

	BBC News: Government Prepares for Space Impact - http://news.bbc.co.uk/1/hi/uk_politics/541376.stm The UK government is to establish a panel of experts to advise on the risk of the Earth being hit by an asteroid or comet, and plans for evacuation and/or deflection.
	China Daily: Dangerous Space Rocks Under Watch - http://www.chinadaily.com.cn/english/doc/2004-04/09/content_321944.htm Astronomers say they are well on their way to finding every asteroid that poses a threat.
	http://personals.galaxyinternet.net/tunga/ - http://personals.galaxyinternet.net/tunga/ Describes the threat of a comet impact with Earth and provides a plan of action to survive a large impact.

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