The discoverer of Ganymede, Galileo Galilei (1564-1642) was an Italian astronomer, physicist,mathematician, and inventor.
His observations were amongst the first uses of a telescope for astronomy.
Galileo is sometimes named the father of modern science.Galileo discovered 4 moons of Jupiter. They are listed here.
- Io
- Europa
- Ganymede
- Callisto
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