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Date: 2013-02-19 21:25:34 Spacecraft propulsion Aerospace engineering Ions Asteroids Gravity tractor Ion Beam Shepherd Asteroid-impact avoidance Ion thruster NEAR Shoemaker Spaceflight Space technology Spacecraft		Add to Reading List Source URL: sdg.aero.upm.es Download Document from Source Website File Size: 159,95 KB Share Document on Facebook

	4th IAA Planetary Defense Conference – PDCApril 2015, Frascati, Roma, Italy IAA-PDCENHANCED GRAVITY TRACTOR TECHNIQUE FOR PLANETARY DEFENSE Daniel D. Mazanek(1), David M. Reeves(2), Joshua B. Hopk DocID: 1biMA - View Document
	Fordson Tractor running in oil. Constant mesh selective type transmission, three speeds forward and one reverse. Ball bearings. Three point suspension. Splash system of lubrication. Thermo-siphon cooling system. Gravity DocID: 18StC - View Document
	Stopping asteroid strikes: Defenders of the Earth \| The Economist DocID: 10iKk - View Document
	Inputs from UK Academia Dr Hugh Lewis Astronautics Research Group University of Southampton DocID: YZba - View Document
	THE 2015 MANFRED LACHS SPACE LAW MOOT COURT COMPETITION ________________________________________________________________________ INTERNATIONAL COURT OF JUSTICE SPECIAL AGREEMENT BETWEEN THE UNITED REPUBLIC OF ADVENTURA ( DocID: Ykun - View Document