The rings of Uranus were discovered ____________
a. during an occultation of a star by the rings (as well as by the planet).
b. during an eclipse of one of the moons by the rings.
c. during a voyage to Uranus by astronauts
d. as Uranus and the rings passed behind Jupiter.
e. during an encounter by the Voyager 1 space probe.
Question 2
The magnetic fields of Uranus and Neptune are peculiar in that they are
a. highly inclined to their planet's axis of rotation.
b. very weak (virtually zero).
c. produced by the solar wind.
d. produced by disturbances caused by the orbits of the moons.
e. all of the above.