From the July 1999 Scientific American Magazine | 0 comments
By Max P. Bernstein, Scott A. Sandford and Louis J. Allamandola
JulyFor centuries, comets have imprinted disaster on the human mind.
By 400 B.C. Chinese astronomers had sketched 29 varieties of comets, many foretelling calamity. Aristotle's assumption that comets were a
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