January 2020
Open source space sustainability
The prospect of so-called ‘mega constellations’ causing a potential 10 to 25-fold increase in the number of low Earth satellites is raising public awareness ...
April 2020
Plasma Clipper - opening the age of sail, in space travel
... ‘sail’ through space. Although the promise of propellant-less propulsion offered by solar energy is an incredibly appealing prospect, most sail-type concepts also suffer from extremely low acceleration because of the weakness of sunlight. To get ...
April 2020
Replacing hydrazine fuel with a greener alternative
... engaged all companies with a vested interest in weapons, and a few in aviation, to conduct surveys that analysed every prospective fuel they could think of, rigorously looking into the performance of each. All performed similarly, with the...
October 2020
Morality, rights and responsibilities in space
... of colonising space and utilising space resources were still in the realm of science fiction. Now, with these prospects becoming increasingly real we have to consider a new approach to human action and interaction in space. In this article, Rick...
November 2020
Walking on the Moon
... exploration sector, which includes the classical science missions but is increasingly likely to encompass applications such as prospecting and mining. Many companies and other organisations from more than a dozen different nations have expressed...
October 2021
Russia and China – a new space axis
... in the ‘new Russia’ in 1992, buying docking systems, spacesuits and training time in Star Town for two prospective cosmonauts (or ‘hangtianyuan’ in Chinese). There were several items the Russians would not sell, notably their best...
