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Quote of the day

When seen through the lens of technology, few resources are truly scarce; they’re mainly inaccessible. 

 

Peter Diamandis

Swiss scientists launch janitor satellite to clean up space junk

RATE THIS! +1
Posted in Science on 15th Feb, 2012 07:58 PM by APM

Swiss scientists said Wednesday they plan to launch a “janitor satellite” specially designed to get rid of orbiting debris known as space junk.

 

The 10-million-franc ($11-million) satellite called CleanSpace One — the prototype for a family of such satellites — is being built by the Swiss Space Center at the Swiss Federal Institute for Technology in Lausanne, or EPFL.

 

EPFL said Wednesday its launch would come within three to five years and its first tasks are to grab two Swiss satellites launched in 2009 and 2010.

 

The U.S. space agency NASA says over 500,000 pieces of spent rocket stages, broken satellites and other debris are being tracked as they orbit Earth.

 

The debris travels at speeds approaching 17,500 miles per hour (28,000 kilometers per hour), fast enough to destroy or inflict costly and time-draining damage on a satellite or spacecraft. Collisions, in turn, generate more fragments floating in space.

 

“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.

 

Building the satellite means developing new technology to address three big problems, scientists say.

 

The first hurdle has to do with trajectory: The satellite has to be able to adjust its path to match that of its target. EPFL said its labs are looking into a new ultra-compact motor that can do this.

 



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Comments

Author: Guest
Posted: 2013-11-24
+0
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