'While teaching at the Univ. of Padua in 1610, he discovered 4 moons of Jupiter using a 30-power telescope'
Galileo
ASTRONOMERS: While teaching at the Univ. of Padua in 1610, he discovered 4 moons of Jupiter using a 30-power telescope
While teaching at the Univ. of Padua in 1610, he discovered 4 moons of Jupiter using a 30-power telescope
While teaching at the Univ. of Padua in 1610, he discovered 4 moons of Jupiter using a 30-power telescope
ASTRONOMERS
Galileo
ASTRONOMERS