May 2026
Mars exploration – the nuclear option
... and high efficiency. The design integrates two propulsion modes: Nuclear Thermal Propulsion (NTP) and Nuclear Electric ...of Earth’s gravity, the system transitions into a different mode. The same nuclear reactor now becomes an electrical power...
10 February 2022
SpaceX Starlink satellites fall out of sky after storm
.... "Did they later fall into a spin while in safe mode? Their efficient electric thrusters may not have had enough thrust ... drag at the low altitudes prevented the satellites from leaving safe-mode to begin orbit raising manoeuvres, and up to 40 of the...
June 2015
European lab in the sky: OP-SAT and new potential for ESA spacecraft
... goes wrong, allowing the craft to gracefully switch into safe mode. Launched in 2010, ESA’s CryoSat-2 uses an Agency-standard... part of the satellite only has one task in this mode – to establish communication with the ground so that engineers ...
June 2015
Drone regulation in the European Union amid a thriving market
... to working in close coordination with JARUS23 and ICAO to ensure worldwide harmonisation References: 1: http://ec.europa.eu/transport/modes/air/news/doc/2015-03-06- drones/2015-03-06-riga-declaration-drones.pdf 2: Small and medium-sized enterprises...
February 2016
Is Jupiter Really Our Protective Shield?
...form in systems for which terrestrial planets may occur.’ [19] Succinctly, the method he employed has crucial failure modes that have since been recognised [29][30][31] and, in a 4.5 billion year simulation like Wetherill’s, the circumstances leading...
September 2016
Co-operating in space transcends national identity
...defused, and so one has to both prefer and accept a centralised mode of operation and a focus of efforts around one single project with...rocket. One has to both prefer and accept a centralised mode of operation and a focus of efforts around one single ...
