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Practising The Clean-Up Of Space - Impact Magazine


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April 8, 2021 12:12
by Matthew Bird
Christina Giallombardo
Looking up at the night sky with the naked eye and seeing nothing but darkness and a few stars, it’s hard to imagine the sheer volume of space debris (also known as space junk) orbiting the Earth.
The space junkyard gives us a glimpse back in time. The orbiting debris is a disarray of past missions to space, including 1950 discarded rocket stages and defected satellites, as well as a plethora of shrapnel.
The near 9000 tons of space debris orbits Earth in a Low Earth Orbit (LEO), which is approximately 1000-160km above Earth. The problem is that this debris is not stagnant, but moving at around 18,000 miles per hour, meaning it poses risk to vital operating systems also in a LEO, such as telecommunications and weather forecast satellites. The International Space Station (ISS) also orbits in a LEO, also causing a threat to human lives. ....

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Space debris removal demo set for launch


Space debris removal demo set for launch
A mission will launch to space this weekend that aims to demonstrate commercial technology to remove orbital debris, such as a defunct satellite.
The showcase is being staged by the Astroscale company and will be run from an operations centre in the UK.
With more and more satellites being launched every year, there is now an imperative to try to keep orbits above the Earth clear of old junk.
And this ought to drive a vibrant market for debris removal services.
We are entering an age of satellite constellations and some of these spacecraft could fail in orbit - and that would be a serious issue, said John Auburn, Astroscale s UK managing director. ....

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