The inner and outer planets, Mercury and Venus, Mars, Jupiter and Saturn, were identified by ancient Babylonian astronomers between 2000 to 1001 BC. It was not until the 1600's that Galileo and Cassini, using telescopes, discovered what?
A)
The planet Pluto
ghlight
Time
emaining
10:09:01
B)
Stars in other solar systems
The moons of Jupiter and Saturn
D)
The fact that the moon is a satellite of Earth