Additional
Information: This category is for sites on defending the planet from global threats such as possible asteroids, comets, or artificial space debris.
Please do not submit sites selling products in this category. Such sites should be su
The SpaceGuard UK Portal The SpaceGuard UK Portal: National focus in the UK for studies into the threat posed to the Earth by collisions with asteroids and comets. (Planetary Defense) http://www.spaceguarduk.com/
BBC News: Government Prepares for Space Impact BBC News: Government Prepares for Space Impact: 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. (Planetary Defense) http://news.bbc.co.uk/1/hi/uk_politics/541376.stm
United Press International - Finding Menacing Asteroids Is a First Step United Press International - Finding Menacing Asteroids Is a First Step: Article on a meeting of space experts regarding finding and destroying a potential threat from an asteroid. (Planetary Defense) http://www.upi.com/view.cfm?StoryID=20040224-051301-2274r
U.S. Summons Experts to Draft Asteroid Defense Plan U.S. Summons Experts to Draft Asteroid Defense Plan: 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. (Planetary Defense) http://news.nationalgeographic.com/news/2002/06/0607_020607_wirasteroid.html
Asteroid Scare Prompts NASA to Formalize Response Asteroid Scare Prompts NASA to Formalize Response: 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. (Planetary Defense) http://www.space.com/scienceastronomy/asteroid_warning_040322.html
Meteor Defense Meteor Defense: An argument for reducing global tension by developing a defense against impacts with Near Earth Objects. (Planetary Defense) http://128.192.54.192/bobk/meteor.html
CNN - Scientists Want to be Ready to Block Asteroid from Hitting Earth CNN - Scientists Want to be Ready to Block Asteroid from Hitting Earth: Scientists gather to discuss ways of aggressively defending the planet from an asteroid, including detonating nukes in space. (Planetary Defense) http://www.cnn.com/2004/TECH/space/02/24/defending.earth.ap/
Impact Parameters Impact Parameters: Online calculator for cratering effects of hypothetical asteroid impacts. (Planetary Defense) http://www.lpl.arizona.edu/impacteffects/
Impact Impact: Describes the threat of a comet impact with Earth and provides a plan of action to survive a large impact. (Planetary Defense) http://personals.galaxyinternet.net/tunga/