Galileo Galilei: the discovery of Io, Europa & Ganymede
On January 7th 1610, Italian Astronomer Galileo Galilei discovered, using a homemade telescope, the first three moons orbiting the planet Jupiter.
On January 7th 1610, Italian Astronomer Galileo Galilei discovered, using a homemade telescope, the first three moons orbiting the planet Jupiter.