Chapter 12 Flashcards
The white zones are made of Jupiter are probably made of:
ammonia ice
The belts of Jupiter are best described as:
regions of downward moving material and low pressure
What is the origin of the jovian moons?
the four Galilean moons formed with Jupiter, most others were later captures
The surface of which jovian moon most resembles the pack ice of the Arctic Ocean?
europa
Of the Galilean satellites, which has the oldest, most heavily cratered surface?
callisto
Of the Galilean moons, the one with striking grooved terrain and icy tectonic features as well as older craters is:
ganymede
Which of the jovian moons is the largest and also the largest moon in the solar system, even bigger than Mercury?
ganymede
Which of the four Galilean moons is NOT differentiated?
callisto
Where is Jupiter’s ring located?
above Jupter’s cloud and inside the orbit of its inner-most moon
Saturn’s bands, oval storm systems, and turbulent flow patterns are powered by:
convective motion and rapid rotation
What are Saturn’s rings?
small icy particles moving in orbit around Saturn
What did the Voyager mission discover about the main rings of Saturn?
they are composed of tens of thousands of narrow ringlets
Saturn’s rings are widest open, doubling the planet’s brightness, when it is at:
solstice
The reason the rings of Saturn exist is because:
the ring materials lies within the Roche limit of Saturn
Why are Saturn’s rings so noticeable?
they are made of lots of fresh, bright icy particles from a recent breakup
