How wide is the oort cloud?

A giant shell of icy bodies known as the Oort Cloud is thought to encircle the solar system. There may be billions, even trillions of bodies in it. read more

The Oort cloud (/ ɔːr t, ʊər t /), named after the Dutch astronomer Jan Oort, sometimes called the Öpik–Oort cloud, is a theoretical cloud of predominantly icy planetesimals proposed to surround the Sun at distances ranging from 50,000 and 200,000 AU (0.8 and 3.2 ly). read more

spherical outer Oort cloud occupy 20,000–50,000 AU (0.32–0.79 ly) and inner Oort cloud occupy 2,000–20,000 AU (0.0–0.3 ly). The Oort cloud is thought to be a remnant of the original protoplanetary disc that formed around the Sun approximately 4.6 billion years ago. read more

The Oort Cloud is a theoretical spherical cloud of predominantly icy planetesimals that is believed to surround the Sun at a distance of up to around 100,000 AU (2 ly). read more