Going, going, nearly gone
Mankind’s view of the night skies is vanishing. But following a few simple rules could bring the stars back into sight
ASTRONOMERS are not, as a rule, given to Schadenfreude. But at the moment many of them are cheering mightily the misfortunes of others. At the beginning of September Iridium, the world's first satellite-telephone network, which went bust a year ago, was switched off for good. Over the next few weeks Motorola, the network's owner, will “de-orbit” its 66 satellites (ie, crash them into the earth's atmosphere, where they will burn up). And that firework display will be accompanied by the popping of champagne corks in radio-astronomy observatories the world over.
This article appeared in the Science & technology section of the print edition under the headline “Going, going, nearly gone”
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