feb 28, 47981 BC - Oort cloud
Description:
•TheOort Cloud is about 5,000 - 100,000 AU away from the Sun•The Oort Cloud is an extended shell of icy objects that exist in the outermost reaches of the solar system.
•The Oort Cloud is roughly spherical, and is thought to be the origin of most of the long-period comets that have been observed
•Some scientists believe that Oort Cloud starts at 2000 or 5000 Astronomical Units
Added to timeline:
Date:
feb 28, 47981 BC
Now
~ 50040 years ago