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Home Space

Swiss scientists to launch “janitor” satellite to clean up space mess

Mihai Andrei by Mihai Andrei
February 15, 2012
in Space, Space flight
Reading Time: 2 mins read
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When we started putting satellites on orbit, few could have pondered the idea of space junk, and even fewer would have guessed that a time will come when we will have to clean up after our spatial enterprises. But the time came, and really soon, and space junk is a real problem. This is why Swiss researchers announced their plans for creating a ‘janitor’ satellite to get rid of the orbiting debris.

The 10-million-franc ($11-million) satellite called CleanSpace One is currently being built in Lausanne and it will be launched in 3-5 years, if nothing out of the ordinary happens. This is quite a necessary measure, because according to NASA there are currently 500,000 pieces of spent rocket stages, broken satellites and other debris flowing at speeds of about 28,000 kilometers per hour, fast enough to damage or even destroy pretty much every mission we can launch at the moment.

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“It has become essential to be aware of the existence of this debris and the risks that are run by its proliferation,” said Claude Nicollier, an astronaut and EPFL professor.

However, in order for the tidy machine to succeed in its mission, it has to address three major problems; the first one, is, of course, trajectory. It has to be able to constantly adapt its trajectory to that of the target, in order to fulfill its mission and not be harmed. Next, it has to be able to grab hold of the debris and stabilize it at the high speeds I told you above. Last but not least, it has to be able to take the debris and drop it into the Earth’s atmosphere, where it will burn by friction.

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Such a solution was quite needed, and who can be better for this job if not the Swiss?

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Tags: debrisjanitor satellitespace junk
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Mihai Andrei

Mihai Andrei

Andrei's background is in geophysics, and he's been fascinated by it ever since he was a child. Feeling that there is a gap between scientists and the general audience, he started ZME Science -- and the results are what you see today.

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