rocketstem.org
The Jovian system
The Jovian system encompasses Jupiter, its rings and moons. Jupiter was reputedly discovered by the Babylonians some 9,000 years ago. Its moons were discovered by Galileo, in 1610, observed through a refracting telescope. The planet Jupiter Jupiter is the fifth planet in our Solar System counting out from the Sun. It is 5.2 Astronomical Units ...