What characteristic of long period comets suggest they come from the Oort cloud?
A) They have longer Type II tails than short period comets.
B) Their orbits have random inclinations with respect to the ecliptic plane.
C) Their orbits are nearly circular.
D) They tend to appear larger in diameter than short period comets.

Question

Quizplus · Accepted Answer

Long period comets have orbits with random inclinations, which suggests they originate from the Oort cloud, a spherical shell of icy bodies surrounding the solar system.

What Characteristic of Long Period Comets Suggest They Come from the Oort