Page 197 - 89 history of astronomy_opt
P. 197
ond was that the line of apses of each planet
passes through the sun; both were contra-
dictory to the Copernican theory.
He proceeds cautiously with his propo-
sitions until he arrives at his great laws, and
he concludes his book by comparing obser-
vations of Mars, of all dates, with his the-
ory.
His first law states that the planets de-
197
