Junk science

Scientists are increasingly worried about the amount of debris orbiting the Earth, writes Dr K.H. Amin
February 10th 2009 began like every other day in Iridium 33’s 11-year life. One of a constellation of 66 small satellites in orbit around the Earth, it spent its time whizzing through space, diligently shuttling signals to and from satellite phones. At 3pm a report suggested it might see some excitement: two hours later it would pass less than 600 metres from a defunct communications satellite called Cosmos 2251. It did. A lot less. The two craft collided and the result was

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