Pulsars are thought to be
A) accreting white dwarfs.
B) rapidly rotating neutron stars.
C) unstable high-mass stars.
D) accreting black holes.
Question 2
The Kuiper Belt is:
A) another name for the Asteroid Belt.
B) a band of icy planetesimals found beyond Neptune's orbit.
C) where all comets come from.
D) the name given to icy bodies found between Jupiter and Saturn.
E) the name given to icy bodies found between Mars and Jupiter.