Quiz CH 7 solution
1. True___The Jovian planets have lower average densities than the terrestrial planets.
2. Name a Jovian planet. Jupiter or Saturn or Uranus or Neptune
3. There are a number of gaps in Saturn’s rings. These rings are caused by
a. shepherd moons
b. spacecraft that have been sent to Saturn swept these areas clean.
c. there are no gaps, these areas are made of darker material and therefore don’t reflect
light and can’t be seen
4. The ____ of a planet is the region around the planet where the magnetic field is able to deflect
the solar wind and other charged particles?
a. aurora
b. magnetosphere
c. hydrosphere
d. corona
5. The Roche limit is the
a. distance from the sun within which a planet can not retain an atmosphere.
b. minimum mass of an object in the solar system that would be classified as a planet.
c. maximum separation distance between the sun and a given planet.
d. distance from Earth at which we loose radio communication with a satellite.
e. distance from a planet within which a planet can not hold itself together.