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Why is Jupiter denser than Saturn? Its higher mass and gravity compress its interior.
Some jovian planets give off more energy than they receive because of ongoing contraction or differentiation.
Which lists the jovian planets in order of increasing distance from the Sun? Jupiter, Saturn, Uranus, Neptune
Why does Neptune appear blue and Jupiter red? Methane in Neptune's atmosphere absorbs red light.
Why is Io more volcanically active than our moon? Io has a different internal heat source.
The main ingredients of most satellites of the jovian planets are hydrogen compound ices.
Saturn's many moons affect its rings through orbital resonances.
Saturn’s rings are composed of __________. lots of individual particles of ice and rock
Saturn’s rings look bright because __________. 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 a faster speed than particles in the outer rings.
Jupiter nudges the asteroids through the influence of orbital resonances.
Can an asteroid be pure metal? Yes, it must have been the core of a shattered asteroid.
Did a large terrestrial planet ever form in the region of the asteroid belt? No, because Jupiter prevented one from accreting
How big an object causes a typical shooting star? a grain of sand or a small pebble
Which are thought to have formed farthest from the Sun? Kuiper belt comets
What does Pluto most resemble? a comet
According to current evidence, Pluto is best explained as ______. a large member of the Kuiper belt
A comet entering the inner solar system from afar will __ form a coma and some time later form a tail
During the time that a comet passes through the inner solar system, the comet can appear quite bright because __________. sunlight reflects off the comet’s tail and coma
A comet’s plasma tail always points directly away from the Sun because __________. of pressure exerted by the fast-moving charged particles in the solar wind
Saturn's rings are continually supplied by impacts with small moons.
Created by: zemca