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- Navigators & Inventors: Galileo Galilei
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Illustration
Italian astronomer Galileo Galilei competed for two longitude prizes in the 17th century.
Artifact
Italian astronomer Galileo Galilei created this device to calculate the motions of Jupiter’s moons.
Artifact
In 1642, for a Dutch longitude prize, Galileo proposed both an astronomical solution and an accurate sea clock—the first clock ever to have a pendulum.