Astronomy Test 2 - Jupiter & Galilean Moons

How long is Jupiter's orbital period in earth years?

11.9

One Jupiter day is equal to which of the following?

9 hrs 50 mins

What are the strongest winds on Jupiter?

Equatorial westerlies

What is the primary element composing Jupiter?

Hydrogen

What type of core does Jupiter have?

Rocky

What do currents in the interior of Jupiter produce?

Magnetic fields

How big is Jupiter's magnetosphere?

30 million km across

How many of Jupiter's moons did Galileo discover?

4

Jupiter has 4 large moons, but how many does it have in total?

67

The cloud layers of giant planets maintain different compositions because of?

Different materials freeze out at different temperatures

_____ is the largest planet in our solar system.

Jupiter

What is the large oval in Jupiter's southern hemisphere known as?

The Great Red Spot

What causes the clouds of Jupiter to form bands around the planet?

The planets rapid rotation

What is the name of Jupiter's moon that is also the largest in our Solar System?

Ganymede

How many Earths would it take to fill Jupiter?

1000-1200

Jupiter has an unusual motion, this is called ____?

Fast differential rotation

All Galilean moons have tidal forces acting upon them True or false?

True

The four "Galilean" moons of Jupiter are Europa, Io, Callisto, and Ganymede.

True

Jupiter has been probed by which of the following:

Voyager I, Voyager II and Galileo