September 2016
Small launcher market survey
... boosters with lift performance between 1000 and 2500 kg versus the existing seven small launchers in that band. These trends seem to indicate that interest is for dedicated launch for the direct injection of single or very...
November 2016
Rosetta - an eventful cruise phase
... the eclipse would start, out of sight. The relief was equally huge when, at 03:28 as planned, we saw Rosetta’s S-band radio carrier reappearing on the other side of the planet. The eclipse finished at 03:40 and 10 minutes later the...
April 2017
Urgent action needed to keep satellites safe in orbit
... by students or the public [24]. Definition of the GEO protected region as per IADC guideline 3.3.2 [2]. This defines a toroid-like band that encircles Earth. Active Debris Removal (ADR) will need to be accomplished at some point because even under...
June 2017
How to build a Moon base cheaply
... outside vacuum. At the same time, the aerodynamic window allows for raw materials in the form of threads, bands or thin gas tubes to enter the chamber. Streams of materials that enter the chamber at the speed of 1700...
August 2017
Space invaders and the usual suspects - disruptive trends in Earth observation
... first commercial operator. Its uniqueness is its capacity to offer both VHR optical (Pleiades-1A and Pleiades 1B) and X-band radar imagery (TerraSAR-X and TanDEM-X). There is no major anchor tenancy contract but the twin Pleiades satellites...
September 2017
Telescope targets enigmatic deep space mystery
... class of radio source. Dispersion sweep of the ‘Lorimer Burst’. The total delay across the entire frequency band is about half a second. The higher frequencies arrive earlier in time compared to the lower frequencies resulting in the...
