The Oort Cloud is believed to be
A) the circular disk of gas around the Sun's equator from which the planets formed.
B) a spherical cloud of cometary nuclei far beyond the Kuiper Belt.
C) the great nebula found just below the belt stars of Orion.
D) a grouping of asteroids and meteoroids between the orbits of Mars and Jupiter.
E) a flattened belt of cometary nuclei just beyond the orbit of Neptune.

Question

Quizplus · Accepted Answer

The Oort Cloud is theorized to be a distant, spherical shell of icy objects surrounding the solar system, far beyond the Kuiper Belt, which is believed to be the source of long-period comets.

The Oort Cloud Is Believed to Be