Lesson 9 from quizzes Flashcards
What are Saturn’s rings composed of?
lots of individual particles of ice and rock
why do Saturn’s rings look bright?
light from the sun reflects off the material in the rings
Which of the following statements correctly describes the motion of the particles in Saturn’s rings?
particles in the inner rings orbit Saturn at faster speeds than particles in the outer rings
The largest moon in the solar system is
Ganymede
The jovian moon with the most geologically active surface is
Io
Strong evidence both from surface features and magnetic field data support the existence of a subsurface ocean on
Europa
__________ is responsible for the tremendous volcanic activity on Io
tidal heating
__________ is the most distant of Jupiter’s four galilean moons
Calisto
The fact that Europa orbits jupiter twice for every one orbit of Ganymede is an example of
Tidal heating
What is the most abundant gas in Titan’s atmosphere?
Nitrogen
Why do astronomers believe that Triton was a planet captured by Neptune?
Triton orbits opposite Neptune’s
Why are there no impact craters on the surface of Io
Io did have impact craters but they have all been buried in lava flow
What is the Cassini division in Saturn’s rings?
A large gap, visible from earth
Why don’t Jupiter and Saturn have methane clouds?
The stronger gravity pulls methane down
The belts and zones of Jupiter are:
alternating bands of rising and falling air at different latitudes
