Suggestions

• What problem did Galileo propose to solve using the orbital periods of Jupiter's satellites?

• Who independently discovered Jupiter's moons?

• What did Galileo observe using his refracting telescope?

• What was Galileo threatened with during his final interrogation?

• What did the Roman Inquisition conclude about heliocentrism?

• What were the three essential parts of the sentence delivered by the Inquisition?

• What was scratched on the wall of Galileo's prison cell?

• What is the Galileoscope?