Question

What is an Oort cloud? With which material are they formed?​

Answer 1

The Oort Cloud is made up of icy pieces of space debris. Sometimes those debris are jostled out of the cloud and fall toward the Sun, becoming comets. It can take thousands of years for an Oort Cloud comet to go around the Sun.

Answer 2

Answer:

Oort cloud. : a spherical shell of cometary bodies believed to surround the sun far beyond the orbits of the outermost planets and from which some are dislodged when perturbed to fall toward the sun — compare kuiper belt.

The Oort Cloud is made up of icy pieces of space debris. Sometimes those debris are jostled out of the cloud and fall toward the Sun, becoming comets