Asteroid, Comet, and Near Earth Object (NEO) Encyclopedia: Sweeping Coverage of Impact Threats, Spacecraft Research, Detection, Deflection, Mitigation, Tunguska, Chelyabinsk, Planetary Defense, PHAs by Progressive Management
Approx. 370,820 words.
Published on March 21, 2013.
Discover all aspects of asteroids, comets, near earth objects (NEOs), and their impact threat to Earth in this massive, authoritative compilation of up-to-date official documents from NASA and other federal sources.