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Spaceguard - Wikipedia. The term Spaceguard loosely refers to a number of efforts to discover and study near- Earth objects (NEO), especially those that may impact earth. Asteroids are discovered by telescopes which repeatedly survey large areas of sky. Efforts which concentrate on discovering NEOs are considered part of the "Spaceguard Survey," regardless of which organization they are affiliated with. A number of organizations have also raised related discussions and proposals on asteroid- impact avoidance. The United Kingdom hosts the self- styled The Space. Guard Centre which conducts astrometric research (MPC code J2.

History[edit]Arthur C. Clarke coined the term in his novel Rendezvous with Rama (1. Project Spaceguard" was the name of an early warning system created following a fictional catastrophic asteroid impact.[1] This name was later adopted by a number of real life efforts to discover and study near- Earth objects. A 1. 99. 2 US Congressional study produced a "Spaceguard Survey Report"[2] which led to a mandate that NASA locate 9.

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Earth asteroids larger than 1 km within 1. This is often referred to as the "Spaceguard Goal." A number of efforts which receive money through NASA are all considered to be working on the "Spaceguard Project."The effect of the impact of Comet Shoemaker–Levy 9 to Jupiter in July 1.

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Earth objects. As David Levy stated in an interview "The giggle factor disappeared after Shoemaker- Levy 9." He was referring to the contemporary attitude that extinction level events were so improbable that those advocating for research for detection and possible deflection methods were only paranoid alarmists. The impact of one of its fragments created a giant dark spot over 1.

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TNT (6. 00 times the world's nuclear arsenal). After the impact of Comet Shoemaker- Levy 9, asteroid detection programs all over the world received greater funding.[citation needed]The Working Group on Near- Earth Objects (WGNEO) of the International Astronomical Union held a workshop in 1. Beginning the Spaceguard Survey[3] which led to an international organization called the Spaceguard Foundation. Subsequently, there have been Spaceguard associations or foundations formed in countries around the world to support the ideas of discovering and studying near- Earth objects. Generally, the Spaceguard organizations formed within individual countries are associated with the international foundation or with the NASA efforts only by name, common interests, and similar goals. The initial Spaceguard Goal was achieved, although in slightly longer than 1.

An extension to the project gave NASA the mandate of reducing the minimum size at which more than 9. Earth asteroids are known to 1.

Observations[edit]The 2. Eastern Mediterranean event, the 2. Vitim event (Russia) and the Chelyabinsk meteor (Russia, February 2. Spaceguard effort. On October 6, 2. 00.

TC3meteoroid was detected by the Catalina Sky Survey (CSS) 1. Mount Lemmon, and monitored until it hit the Earth the next day.

New survey projects, such as the Asteroid Terrestrial- impact Last Alert System (ATLAS) program[5][6] under construction by the University of Hawaii, aim to greatly increase the number of small (approximately 1. This is in contrast to past and current surveys, which have focused on finding much larger (greater than 1. Another short- term warning system is the NASA Scout program that came into operation in 2.

According to Dr. Michael F. A'Hearn, a typical mission would take too long from approval to launch if there was an emergency: “REP. STEWART: .. are we technologically capable of launching something that could intercept [an asteroid]? DR. A'HEARN: No. If we had spacecraft plans on the books already, that would take a year .. I mean a typical small mission ..

Rep. Chris Stewart (R,UT) and Dr. Michael F. A'Hearn, 1.

April 2. 01. 3, United States Congress[1. Lack of a master plan and dangers of false alarms have been pointed out by Stefan Lovgren.[1.

See also[edit]References[edit]^Michael Paine (2. Bigger Telescopes Seek Killer Asteroids", Space. David Morrison (1.

The Spaceguard Survey Report", NASA Studies at Asteroid and Comet Impact Hazards, NASAAmes Research Center.^Beginning the Spaceguard Survey, Vulcano Workshop (1. IAU Working Group on Near- Earth Objects. Harris, Alan. What Spaceguard did, Nature, Vol. June 2. 6, 2. 00. DOI: 1. 0. 1. 03. Published online 2.

June 2. 00. 8 (subscription).^Asteroid Terrestrial- impact Last Alert System Project (ATLAS), Falling. Star. com website, last revised on March 2. Tonry, John L. An Early Warning System for Asteroid Impact (thesis), Cornell University Library, ar. Xiv: 1. 01. 1. 1.

PDF download), submitted on November 3, 2. NASA's New 'Intruder Alert' System Spots An Incoming Asteroid^Incoming! New Warning System Tracks Potentially Dangerous Asteroids^U.

S. Congress (Spring 2. Threats From Space: a Review of U. S. Government Efforts to Track and mitigate Asteroids and Meteors (Part I and Part II) - Hearing Before the Committee on Science, Space, and Technology House of Representatives One Hundred Thirteenth Congress First Session"(PDF).

United States Congress (Hearings held 1. March 2. 01. 3 and 1. April 2. 01. 3). p. 1.

Retrieved 3 May 2. Stefan Lovgren (2. Asteroid False Alarm Shows Limits of Alert Systems, National Geographic News. Further reading[edit]Air Force 2. Planetary Defense: Social, Economic, and Political Implications, United States Air Force, Air Force 2. Final Report webpage, December 1. Daugherty, Laura and Emily Van Yuga.

What Damage Have Impacts Done to Humans in Recorded History? Geol 1. 17: Meteorite Impacts in Space and Time), Oberlin College Geology Department, Oberlin College, May 1. Halliday, I., A. T. Blackwell, and A.

A. Griffin. "Meteorite Impacts on Humans and Buildings", Nature, pp. 3. Yau et al.]Lapaz, L. Effects of Meteorites on the Earth", Advances in Geophysics, Vol. Yau et al.]Lewis, J. S. Rain of Iron and Ice: The Very Real Threat of Comet and Asteroid Bombardment, Reading, MA: Addison- Wesley Pub. Co., 1. 99. 6; Basic Books, 1. ISBN 0. 20. 11. 54.

ISBN 9. 78- 0. 20. OBIS]Nield, Ted. Don't wrong the meteorite: Ted Nield thinks it's time to reassess our attitude to cosmic impacts. Meteorites are our friends, Geoscientist Online, The Geological Society, October 2.

Norton, O. R. "Rocks from Space". Missoula Montana: Mountain Press Publishing Company, 1. Paine, M. P. Bigger Telescopes Seek Killer Asteroids Archive from Space. April 2. 00. 0. Reimold, W. U. and R. L. Gibson, Anton Pelser, Mauritz Naudé, Kevin Balkwill. Meteorite impact!: the danger from space and South Africa's mega- impact the Vredefort structure, Chris van Rensburg, 2. ISBN 1. 91. 99. 08. Tamam Episodio 1 Season 3.

ISBN 9. 78. 19. 19. Special Report: Death and Property Damage Due to Meteor Destruction", UFO Research: Cincinnati!, November, 1. Swindel, G. W. Jr., and W. B. Jones. Meteoritics, Vol.

Lapaz 1. 95. 8]. Webb, S. K. A Novel Measure of Meteorite Flux", [meteorite- list] How Many Meteorites Fall?, November 3. Worthey, G. Meteor Near Misses and Strikes, St. Ambrose University Astronomy, 1. October 1. 99. 9. Yau, K., Weissman, P., & Yeomans, D. Meteorite Falls In China And Some Related Human Casualty Events, Meteoritics, 1.

Vol. 2. 9, No. 6, pp. 8. ISSN 0. 02. 6- 1. Metic. 2. 9. 8. 64.

Y. External links[edit]. Black Sheep Squadron Season 2 Episode 10.