Final answer:
Galileo contributed valuable data to support the heliocentric model by observing the moons of Jupiter and phases of Venus.
Explanation:
Galileo made significant contributions to the model of the solar system. Two notable contributions include:
- Data that showed the moons of Jupiter orbiting the giant planet, contradicting the geocentric model.
- Astronomical observations that provided evidence for the heliocentric model, such as phases of Venus, supporting the idea of planets orbiting the Sun.
Learn more about Galileo's contributions to the model of the solar system here:
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