March 2015
Satellite technology in newsgathering and disaster coverage
...satellite expanded and became more accessible. Smaller electronics, the advent of additional frequency ranges, and an explosion in audience expectations drove news organisations to invest in their own satellite ground infrastructure. Mobile news vans...
October 2015
Space debris, Kessler Syndrome, and the unreasonable expectation of certainty
... are not certain, and never will be. There have been a number of key fragmentation events, either from explosions or collisions, that have significantly increased the space debris problem. So, we are left with technologies that can...
October 2015
Down to Earth: how to deorbit satellites and save money
... or in some way make safe all forms of stored energy — both propulsive and electrical — in order to avoid possible explosions or break-ups in orbit after the end-of-mission. This passivation procedure is relatively complicated, and can result...
October 2015
Green cosmonautics: an ideal to strive for
... area size (overall capacity increase) Reliability - chances of having an accident during/after launch Toxicity and fire/explosion risks from rocket fuel, the level of pollution affecting the local environment, and the safety of areas...
February 2016
Data Systems to Support Early Warning of Spaceborne Emergency Situations
... across the Ural Mountain skies near the town of Chelyabinsk at just under 20 km/s, detonating in the atmosphere with an explosive yield approximately 25 times that of the bomb dropped on Hiroshima. Over 1500 people were injured, most due...
March 2016
Gravitational waves provide new window on the universe
... 1: Comparison of Sun and Earth embedding diagram Black holes are formed when a massive star explodes in a cataclysmic explosion called a core-collapse supernova. The remnants of these types of dead star will form a black hole of a lower...