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Not to be confused with Space Shuttle Discovery. NASA's Discovery Program (as compared to New Frontiers, Explorers, or Flagship Programs) is a series of lower-cost, highly-focused American scientific space missions…
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The Dnepr rocket is a space launch vehicle named after the Dnieper River. It is a converted ICBM used for launching artificial satellites into orbit, operated by the launch service…
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Dongfanghong (东方红), meaning The East is Red, is a space satellite program for the People's Republic of China. This program started in 1970. Satellites in this series were placed in…
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Draco is a group of hypergolic rocket engines (known as a thrusters) designed by SpaceX for use on their Dragon spacecraft, the upper stage of their Falcon 9 rocket, while…
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Dragon is a partially reusable spacecraft developed by the company SpaceX. Dragon is launched into space by the SpaceX Falcon 9 two-stage-to-orbit launch vehicle. During its uncrewed maiden flight in…
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The Dream Chaser is a space plane concept studied and developed by the North-American company Sierra Nevada Corporation (SNC). It is designed to be a crewed suborbital and orbital vertical-takeoff,…
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The Dual-Stage 4-Grid (DS4G) is an electrostatic ion thruster design developed by the European Space Agency, in collaboration with the Australian National University. The design was derived from Controlled Thermonuclear…
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the EARS system is a Eumetsat project for data retransmission. 'EARS' means 'Eumetsat Advanced Retransmission Service'. The object of the EARS system is to provide the European meteorological community with…
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The European Data Relay System (EDRS) is a European satellite system designed to reduce time delays in the transmission of large quantities of data. It will be a constellation of…
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The European Geostationary Navigation Overlay Service (EGNOS) is a satellite based augmentation system developed by the European Space Agency (ESA), the European Commission and EUROCONTROL. The EGNOS system provides additional…
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Earth observation for monitoring and assessment of the environmental impact of energy use. The EnerGEO project consists of 12 partners from 6 countries and has a duration of 4 years.…
