JO JOHN

It was during the 16th and 17th centuries when man's view of the unvierse and himself
changed drastically. This came after a millenium of repetition and stagnation in the
development of science. People finally began questioning what they were told, and they
went out to find proof rather than assuming on the basis of authority and common sense.
These advances in astronomy and medicine came about in the same era, and were not
unparallel in their development. In both fields were some very notable people who
contributed greatly to the devolopment in these areas. In the field of astronomy
Copernicus, Brahe, Kepler, and Galileo shed Aristotle's, Plato's, and Ptolemy's views of
the universe. In medicine Paraclesus, Vesalius, and Harvey did away with Galen's
ancient practices.

Ancient Greeks believed that the Earth was stationary, they concluded this by
making some basic obsevations. One being that the Earth cannot be part of the 'heavens'
because celestial bodies are...