Space junk to strike again
Hundreds of miles away in the earth's atmosphere is a kind of call LEO area, or the low earth orbit. A stepping stone of the star, the hundreds of billions of dollars worth of equipment from the international space station - the Hubble space telescope.
But, in the past few years, LEO area has become increasingly cluttered, littered with sending rockets and close the satellite fragments. Astronomers affectionately refer to these pieces of space junk. But, even the smallest waste caused enormous damage.
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, Space.com reported earlier this year, the Russian space ball lens (piece) of miniature satellites have collided in a piece of debris, broke the Chinese anti-satellite test in 2007. Collapse, Russia's spherical lens a little more than a great paperweight.
Fragments of the block transfer not be indiscriminate space for the first piece of equipment - a similar accident occurred in 1996, 2007 and 2009. Space observers warn, it certainly won't be the last time,.
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"Many satellites in low earth orbit of manipulation on a regular basis, in order to avoid endangering close to pieces," Brian wyden, safety foundation, a consultant in the world, told Space.com in an E-mail. "This is just the one or more data points, broke the myth of the" big sky "is related to the theory of space activities and debris in low earth orbit satellite operators against one of the most pressing threats."
According to NASA's orbital debris larger than 10 centimeters (about the size of a baseball) fly in the sky, between 1 and 10 cm 500000, more than 21000 pieces. These works can, speed up to 17500 miles, which means that even the smallest piece is very dangerous, a tiny fleck of paint, for example, can cause serious damage, through the spacecraft, which, of course, the astronauts the danger of life.
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Last October, in the case of a widely reported, the international space station -- this is included in the armor - turned suddenly forced to, in order to avoid the potential risk of collision of space debris pieces. Six astronauts, including two americans, a time in the ship.
So, what is the solution of our collective mess? NASA tracking the United States space surveillance network, draw a road map, the network USES ground radar of pieces of shrapnel more than 10 cm across. It is very worth it, there are all sorts of strange advice, laser probe drag waste incineration on earth again into our atmosphere, the broken pieces. (unfortunately, the "idea" is accurate.)
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When it happen, no one is willing to play space janitor. It is estimated that 29% of the garbage is the United States, 37% are russians, 28% are Chinese. Add clear fact is expensive - a "space fence" put forward by the U.S. air force one project would cost about $1 billion - us governments, would rather turn a blind eye, rather than pay.
 



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