October 2019
Space-based cybersecurity challenges for NATO
... the objective of avoiding collisions”, SSA has three specific purposes: providing space surveillance and tracking of space debris (objects) that circle Earth; providing space weather reports (see next section); and detecting near Earth objects that...
10 February 2022
SpaceX Starlink satellites fall out of sky after storm
... a Coronal Mass Ejection (CME) hit Earth's magnetic field, though it was not categorised as a major space weather event. In fact, according to the space weather website (spaceweather.com) the weak impact did not at first even spark any remarkable...
October 2015
Space debris, Kessler Syndrome, and the unreasonable expectation of certainty
... that can affect the trajectory of a satellite, including the orientation of the satellite, whether it is tumbling, and space weather (which can affect the amount of drag experienced by satellites). Even small errors in the initial values of these...
April 2017
Urgent action needed to keep satellites safe in orbit
... having to deal with natural and artificial hazards such as increased radiation and charged particles, orbital debris, space weathering, etc.) at long distances that generally preclude making repairs to orbiting systems. But a slot at GEO is a valued...
December 2014
MAVEN and the evolution of Mars
...for important constituents, including hydrogen, oxygen and carbon. This includes the effects of solar activity and ‘space weather’ on escape rates, thought to be a potential missing link in accounting for larger early losses under a more active young...
10 February 2020
ESA's Solar Orbiter probe blasts off to face the Sun
... to better understand and predict periods of stormy ‘space weather’. Solar storms have the potential to knock out power... grids, disrupt air traffic and telecommunications, and endanger space-walking astronauts, for example. “As humans, we have ...
