ing in the mid 1200s. All this has shown the basic properties of space propulsion Bibliography http://www.asi.org/adb/04/03/09/01/ - the Rocket Engine Specifications page from the Artemis Project (http://www.asi.org/ ) Data Book http://www.orbireport.com/Data.html -the Orbital Report News Agency's Launch Vehicle database http://leonardo.jpl.nasa.gov/msl/home.html - JPL's Mission & Spacecraft Library http://solar.rtd.utk.edu/%7Emwade/spaceflt.htm - Mark Wade's "Encyclopedia Astronautica" http://www.ksc.nasa.gov/shuttle/technology/sts-newsref/stsref-toc.html - The Space Shuttle Reference Manual http://nmp.jpl.nasa.gov/ds1/tech/sep.html - Solar electric propulsion on the Deep Space 1 probe Rockets Sutton, George P Groliers Online Encyclopedia ...