According to the nebular theory, how did the Oort cloud form?
A)It consists of objects that fragmented from the protosun during a catastrophic collision early in the formation of the solar system.
B)It is made of planetesimals that formed beyond Neptune's orbit and never accreted to form a planet.
C)It is made of planetesimals between the orbits of Mars and Jupiter that never formed into a planet.
D)It is made of planetesimals formed in the outer solar system that were flung into distant orbits by encounters with the jovian planets.
E)It is material left over from the interstellar cloud that never contracted with the rest of the gases to form the solar nebula.

Question

Quizplus · Accepted Answer

The Oort Cloud is believed to be made up of planetesimals that originated in the outer solar system. These objects were ejected into distant orbits by gravitational interactions with the giant planets, rather than being remnants of a catastrophic collision, leftovers from the formation of the solar system that never accreted, or material that never contracted to form the solar nebula.

According to the Nebular Theory, How Did the Oort Cloud