The density of Comet Halley was found to be about 0.2 g/cm3. This implies that Comet Halley
A)is composed of about 50% rock and 50% frozen water and methane.
B)is loosely packed ices with a small amount of rocky material.
C)formed in the inner solar system and was ejected by Jupiter to the Kuiper belt.
D)is really an S-type asteroid.
E)was once a moon of Neptune and was ripped away by a large impact.

Question

Quizplus · Accepted Answer

The low density of Comet Halley indicates that it is composed mainly of ices, such as frozen water and methane, with a small amount of rocky material. This aligns with option B which says it is loosely packed ices with a small amount of rocky material. None of the other options correctly explain the observed low density of the comet.

The Density of Comet Halley Was Found to Be About