Which Early Telescope Observation Probably Convinced Galileo That the Copernican

question 358

Multiple Choice

Which early telescope observation probably convinced Galileo that the Copernican heliocentric model provided a better explanation for the solar system than the Greek geocentric model?

• A) the observation of sunspots on the Sun and the detection of solar rotation
• B) the observation of moons orbiting another planet, Jupiter, rather than Earth
• C) the change in apparent angular size of the Moon as it orbits Earth
• D) the change with time in the angular size of Mars

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