Why did Galileo's observation that Venus showed phases like the moon indicate that the geocentric theory of the solar system was not possible?
A) It showed that Venus had to have a highly elliptical orbit that nearly crosses earth's to produce phases like the moon.
B) It demonstrated that Venus could not be in orbit around earth between earth and the sun because it shows "full" and "new" phases that would never occur with geocentric geometry.
C) It was not an important observation supporting heliocentric theory, but it did work out to be consistent with the theory.
D) It demonstrated that Venus orbited earth like the moon, but both had to orbit the sun.
B
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