Question

1. comets are often referred to as \dirty snowballs\ because they are made of rock, dust, and ice and come from the outer reaches of the solar system where it is very cold. comets come from two locations in our solar system. what is the origin of long - period comets? asteroid belt oort cloud kuiper belt outside our solar system

Explanation:

Long - period comets are believed to originate from the Oort Cloud, a spherical cloud of icy objects that surrounds the solar system at a great distance.

Answer:

Oort Cloud