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michaelmozina
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<p>http://www.timesonline.co.uk/tol/news/environment/article5721509.ece</p><p>I'm wondering how bad it might get before we start to take real action. When actual satellites start slamming into one another, it's probably time to start thinking about ways to start cleaning things up a bit. </p><p>http://extras.timesonline.co.uk/pdfs/space.pdf</p><p>Evidently there are now something like 217,000 objects orbiting Earth that are larger than 1cm in diameter and tens of millions of objects that are less than 1cm, all of which can pose a significant collision risk. </p> <div class="Discussion_UserSignature"> It seems to be a natural consequence of our points of view to assume that the whole of space is filled with electrons and flying electric ions of all kinds. - Kristian Birkeland </div>