-
Jupiter Discovered
Jupiter, Saturn, Uranus and Neptune are gas giants because they are mostly made of gas, which causes them to have more mass. -
Saturn's rings discovered
Christiaan Huygens discovers saturns rings, which is a common feature of gas giants -
Uranus discovered
Uranus is the third largest gas giant, with a diameter of 51,200 KM -
Pluto is discovered
Pluto is not a gas giant, but is found around other gas giants. -
Uranus's rings discovered
Scientists suspect gas giant rings are mostly made up of dust and ice. -
Voyager Space Craft
Voyager Space Craft discovers thin ring around Jupiter -
Neptune's rings
Voyager's pictures reveal Neptune's rings. -
Extrasolar Gas Giant
Extrasolar gas giant found. Size and mass approximate to Jupiter