Space tethers are long cables which can be used for propulsion, momentum exchange, stabilization and altitude control, or maintaining the relative positions of the components of a large dispersed satellite/spacecraft sensor system. Depending on the m...Lasīt vairāk
This report documents the Venus gravity methods and results to date (model MGNP90LSAAP). It contains many useful plots (such as geometry and orbit behavior) that are useful in evaluating the tracking data. We discuss the models that are used in proce...Lasīt vairāk
The Middle Atmosphere Program (MAP) was an international scientific cooperative program under the aegis of the Scientific Committee on Solar-Terrestrial Physics (SCOSTEP). It commenced on January 1, 1982 and concluded on December 31, 1985. MAP was fo...Lasīt vairāk
The Middle Atmosphere Program (MAP) was an international scientific cooperative program under the aegis of the Scientific Committee on Solar-Terrestrial Physics (SCOSTEP). It commenced on January 1, 1982 and concluded on December 31, 1985. MAP was fo...Lasīt vairāk
The Middle Atmosphere Program (MAP) was an international scientific cooperative program under the aegis of the Scientific Committee on Solar-Terrestrial Physics (SCOSTEP). It commenced on January 1, 1982 and concluded on December 31, 1985. MAP was fo...Lasīt vairāk
The excitement and thrill from experiencing the launch of rocket-powered vehicles ignites engagement and imagination in children as well as adults. Constructing and launching model rockets certainly provided a charge of excitement among a group of Na...Lasīt vairāk
