Why does the Oort Cloud exist?

The Oort Cloud is a spherical cloud of icy planetesimals thought to surround the Sun at a distance of 50,000 AU. 1. It extends up to a light year ... The sphere of the Oort Cloud was hypothesised to exist around our Solar System and other similar planetary systems by astronomer Jan Oort in 1950. read more

This is evidenced by the hold it still has on the objects in the Oort Cloud, many times that distance away. 10. It might not actually exist. The sphere of the Oort Cloud was hypothesised to exist around our Solar System and other similar planetary systems by astronomer Jan Oort in 1950. read more

The Oort Cloud is theorized to exist but due to many factors we can't see it. First let's talk about what the Oort Cloud is (and what it isn't). The first thing to know is that it is theorized that the cloud exists. read more

"Oort Cloud" is just a convenient term to denote all the matter which is between the stars and very distant from them. This "Oort Soup" is everywhere in the Universe. By "Oort Cloud" we usually mean the part of this soup beyond our Solar System and out towards other stars. read more