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Documents National Aeronautics and Space Administration The Disposal of Launch Vehicle Orbital Stages Nicholas...

Slide 1 National Aeronautics and Space Administration The Disposal of Launch Vehicle Orbital Stages Nicholas L. Johnson Chief Scientist for Orbital Debris 28 October 2009…

Documents Topics in Space Weather Earth Atmosphere & Ionosphere

Topics in Space Weather Earth Atmosphere & Ionosphere Sun and Earth: Overview Physical Processes Effects on Technological Systems Robert R. Meier School of Computational…

Documents Space Trek SGP4

SPACETRACK REPORT NO. 3 Models for Propagation of NORAD Element Sets Felix R. Hoots Ronald L. Roehrich December 1980 Package Compiled by TS Kelso 31 December 1988 General…