Saturday, April 7, 2012

How Huffing and Puffing Could Remove Space Junk

Date: 05 April 2012 Time: 04:29 PM ET


Leonard-david
Space Debris Elimination (SpaDE) Diagram
A Space Debris Elimination (SpaDE) initiative would make use of blasts of air from within Earth's atmosphere to take out orbiting debris.
CREDIT: Raytheon BBN Technologies





The problem of menacing space junk has spurred all sorts of ideas to deal with it, from garbage scows and huge nets to laser blasts and debris-snagging Nerf balls.
Now scientists are considering a huff-and-puff approach to remove debris from orbit by firing focused pulses of atmospheric gases into the path of targeted space trash.
That's the idea behind SpaDE, a Space Debris Elimination initiative put forward by Daniel Gregory of Raytheon BBN Technologies in Virginia. Vertical bursts of air produced within Earth's atmosphere can either be directed at orbiting riffraff to change its trajectory or cause drag on the clutter to hasten its re-entry.


MORE: http://www.space.com/15178-space-junk-removal-spade.html

gaw

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