Comets with extremely elliptical orbits, like comets Hyakutake and Hale-Bopp,
A) come from the asteroid belt.
B) come from the Kuiper belt.
C) come from the Oort cloud.
D) are Trojan comets.
E) are captured by Jupiter.
Question 2
Besides mass the other factor that influences where a star appears on the main sequence is:
A) distance from Earth.
B) number of stars in the cluster.
C) chemical composition of the cloud.
D) the motion of the star.
E) the type of cluster the star is formed in.