... to seven years to address the three key technical challenges mentioned above. Pending successful completion of this research phase, a second phase lasting up to ten years will entail building a scaled prototype system. The cost estimate for such...
...capacity will be at least 1.4 Gbit/day during the Ganymede phase. To perform its mission, the spacecraft will have a delta...and the transfer to a Ganymede-bound trajectory during the science phase at Jupiter, whose main events are given in Table 2. The...
... equipment. LISA Technology Package. During the DRS experimental phase, the DRS computer and a set of eight colloidal... propulsion modules which would be jettisoned after the transfer phase. Like LISA Pathfinder, each spacecraft houses two free...
...satellites failed to meet the disposal requirement). The third phase showed a steep population decrease, which started at the ...long-term evolution of the LEO population beyond this phase was greatly influenced by the extent of successful ...
... above, NASA seems to want to skimp on concurrent documentation. Normally critical safety issues are identified at the design phase and suitable quality control measures are implemented and enforced. This statement seems to indicate that NASA...
... space debris risk mitigation, in two parallel phases. In the first phase SERC will attempt to reduce near-term satellite... performance, of current optical debris tracking systems. This first phase of activity is information-based and aims to buy time...