Why Is The Oort Cloud Important?

Why Is The Oort Cloud Important? The Oort cloud is the proximate source of observed nearly parabolic, so-called ‘new’ comets entering the planetary region, and is also the presumed source of the long-period comet flux and the majority of Halley-type comets (HTCs). Is the Oort Cloud A light years away? Oort Cloud. The Oort cloud