April 2019
LISA Pathfinder – paving the way for future studies of the gravitational universe
... 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...
April 2017
Mega-challenges for mega-constellations
...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 ...
May 2018
Space safety – the problem with dual hatting
... 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...
April 2025
Spacecraft anomalies and insurance losses
...every anomaly and launch failure the underlying cause, occurrence phase of flight, and equipment-at-fault has been noted. ...’ in that it happened during the orbit raising/positioning phase. Depending on the policy, insurers will consider the nature...
March 2015
SERC wants us all to get to grips with space junk
... 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...
June 2015
The day Philae landed: how a rough touchdown still made history at the Rosetta Mission
...date back to the mid-90s, when Philae’s study and design phase began. In particular the landing gear had to be designed in a... only effective solution. Fortunately it worked and the heating phase continued as planned. These unexpected troubles led to a...
