Comets from Fiction to Fact 11
has been described in detail in Hellman's work. The Comet of
'^77; published by Columbia University Press in 1944. These
changes in turn had an impact on the spread and acceptance of the
Copernican theory of the universe in the seventeenth century.
Comet Kohoutek as photographed b\
Johns Hopkins University in an Acrobee rocket flight
on January 4, 1974.