October 2015
Down to Earth: how to deorbit satellites and save money
... expensive. In turn, this will lead to an immediate increase in launch costs. The slightest variation during the decommissioning phase can greatly affect the chances of success for the re-entry manoeuvre. Debris mitigation and avoidance regulations...
August 2016
Are the days of innovation in global space over - or just beginning?
... policy in support. The days of space innovation are not over - they have entered a new phase, perhaps a new pragmatic phase, where new problems receive new solutions, where films address the exciting issues of the day...
September 2016
URBOCOP: saving planet Earth
... caused by an increasing number of space debris collisions in near-Earth space. Today we are locked into a truly terrifying phase of space pollution as the space debris problem changes from being passive to aggressive. According to some analysts, the...
January 2017
New oceans beckon for solar sail technology
... square metre solar sail will deploy, and the sail characterisation phase will begin. Once the system is checked out, the spacecraft... to search for the target and start its approach phase using a combination of radio tracking and optical navigation....
January 2017
Blueprint for NASA’s journey to Mars
...is intended to be executed without any substantial increase in the current inflation-adjusted NASA human exploration budget, given a phased retirement of the ISS beginning in 2024. The key to a cost-effective near-term human exploration programme for...
March 2017
Planetary nebulae may hold clue in search of helium-3
... to the models, including adding extra mixing in a phase known as the red giant branch stage, surface abundances ... for it in a planetary nebula, which is the final evolutionary phase of low- and intermediate-mass stars, where the extensive mass lost...