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99942 Apophis
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41	INTERVIEW: PHILIP M. LUBIN DE-STAR: Laser Technology For Asteroid Vaporization What brings you here today for the 2013 Planetary Defense Conference? Add to Reading List Source URL: 21stcenturysciencetech.com Language: English - Date: 2013-07-26 22:52:44 Asteroid Comet Spacecraft propulsion Space debris Gravity tractor Colonization of the Moon 99942 Apophis Spacecraft Solar System Space Spaceflight Asteroid-impact avoidance
42	PDF Document Add to Reading List Source URL: neo.jpl.nasa.gov Language: English - Date: 2012-06-14 19:41:50 Spaceflight 243 Ida Near-Earth asteroids Aten asteroids 99942 Apophis Planetary science Solar System Asteroid
43	INTERVIEW: PHILIP M. LUBIN DE-STAR: Laser Technology For Asteroid Vaporization What brings you here today for the 2013 Planetary Defense Conference? Add to Reading List Source URL: www.21stcenturysciencetech.com Language: English - Date: 2013-07-26 22:52:44 Asteroid Comet Spacecraft propulsion Space debris Gravity tractor Colonization of the Moon 99942 Apophis Spacecraft Solar System Space Spaceflight Asteroid-impact avoidance
44	winter[removed]The Threat Of Add to Reading List Source URL: www.nss.org Language: English - Date: 2009-09-16 19:19:45 Asteroids Planetary defense Spaceflight Asteroid-impact avoidance Earth Near-Earth object Impact event 99942 Apophis Spaceguard Planetary science Astronomy Space
45	Near Earth Objects Dynamic Site Add to Reading List Source URL: www.minorplanetcenter.net Language: English - Date: 2014-01-13 21:24:08 NEODyS 99942 Apophis Near-Earth object Õ Space debris Asteroid Spaceflight Space Planetary science
46	20 Wormwood Add to Reading List Source URL: www.geocentricity.com Language: English - Date: 2010-02-04 11:40:47 Book of Revelation Prophecy Wormwood 99942 Apophis Space Artemisia Astronomy Asteroid Medicinal plants Absinthe Planetary science
47	doi:[removed]j.actaastro[removed] Add to Reading List Source URL: www.esa.int Language: English - Date: 2013-05-28 09:53:26 Astrodynamics Spacecraft propulsion Planetary defense Celestial mechanics European Space Agency 99942 Apophis Asteroid-impact avoidance Gravity assist Don Quijote Spaceflight Spacecraft Space technology
48	IAC-09-C1[removed]ORBITAL DISPERSION SIMULATION OF Add to Reading List Source URL: www.adrc.iastate.edu Language: English - Date: 2012-09-14 16:15:27 Astrology Orbits Aten asteroids Asteroids 99942 Apophis Geocentric orbit Asteroid-impact avoidance Gravity tractor Elliptic orbit Astrodynamics Celestial mechanics Space
49	Mem. S.A.It. Suppl. Vol. 10, 186 c SAIt 2006 Add to Reading List Source URL: sait.oat.ts.astro.it Language: English - Date: 2008-04-01 04:46:22 Planetary defense 99942 Apophis Space debris NEODyS Near-Earth object United States Space Surveillance Network Asteroid Satellite Air Force Space Surveillance System Spaceflight Space Aten asteroids
50	doi:[removed]j.icarus[removed] Add to Reading List Source URL: neo.jpl.nasa.gov Language: English - Date: 2007-12-13 18:28:56 Celestial mechanics Aten asteroids 99942 Apophis Planetary defense Steven J. Ostro Near-Earth object NEODyS Asteroid Cosmic distance ladder Astronomy Planetary science Space