Jupiter

Jupiter• Distance 800 million km (500 million miles)• Diameter: 143,000 x 133,000 km (88,000 x

80,000 miles) or 11 x 10 Earths• Rotates in 10 hours• Polar Flattening: 1/16 (Earth = 1/298)• Circles Sun in 12 years• Mass: 318 Earths• Volume: 1321 Earths• Density: 1.326 gm/cc• Four large satellites, 59 others

The Largest Planet

Pioneer 10 and 11 were

first to Jupiter, 1973

Pioneer 10-11, 1972-1974

Voyager I-II1977-1979

Galileo 1989-1995

Galileo’s Atmospheric Probe

Io, Europa and Jupiter

The Great Red Spot

Jupiter is Hot Inside

Jupiter Movie

Jupiter Has a Very Thin Ring

The Moons of Jupiter:

Callisto Ganymede

Europa Io

Callisto

This is what everyone expected Jupiter’s moons to

look like.

This was about the last thing that looked like we expected it to.

Valhalla Basin,

Callisto

Ganymede:

Largest Moon in the

Solar System

Close-up of Ganymede

Europa

Europa’s Icy Crust

Unexpected Io

An Eruption on Io

Loki’s Molten Sulfur Lake

Lava Flows on Io

Eruption on Io

Amalthea

The Impact of Comet Schumacher-Levy

For the first time ever, in 1994 we witnessed the impact of a comet

with a planet.

Comet Schumacher

-Levy

Impact!

A still-hot impact site rotates into

view (infrared

view)

Impact Fireball

Impact of Comet

Schumacher-Levy 9, 1993

Impact as Seen by Galileo