28 févr. 47981 av. J.-C. - 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
Ajouté au bande de temps:
Date:
28 févr. 47981 av. J.-C.
Maintenaint
~ Il y a 50040 ans