Quote:
Originally Posted by Zorgman
The schoolboy took into consideration the risk of Apophis running into one or more of the 40,000 satellites orbiting Earth during its path close to the planet on April 13 2029.
40,000 satellites? How many do we have now?
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According to Oberright, John E. "Satellite, Artificial." World Book Online Reference Center. 2004. World Book, Inc.
http://www.nasa.gov/worldbook/artifi...worldbook.html
about 3000 useful satellites launched by the US and 40 other countries orbit Earth along with about 6000 "pieces of space junk."