The Oort cloud is
A) a band of dust in the plane of the ecliptic,extending from the orbit of Mars beyond the orbit of Pluto.
B) an approximate spherical distribution of comets centered on the Sun,extending out to about 50,000 AU.
C) another name for the early solar nebula.
D) a relatively flat distribution of comets in the plane of the ecliptic,extending from around the orbit of Pluto out to about 500 AU from the Sun.

Question

Quizplus · Accepted Answer

The Oort cloud is an approximate spherical distribution of comets centered on the Sun, extending out to about 50,000 AU. It is thought to be the source of long-period comets that enter the inner Solar System on very elongated orbits.

The Oort Cloud Is