Oort Cloud (28 janv. 99997982 av. J.-C. – 28 janv. 47982)
Description:
Distance from Sun: 5,000-100,000 AU1. Objects in the Oort Cloud are also referred to as Trans-Neptunium objects. This name also applies to objects in the Kuiper Belt.
2. Some astronomers theorize that the Sun may have captured Oort Cloud cometary material from the outer disks of other stars that were forming in the same nebula as our star.
3.The Oort Cloud is a reserve of cometary nuclei that contain ices dating back to the origin of the solar system.
4.No one knows for sure how many objects exist in the Oort Cloud, but most estimates put it at around 2 trillion.
5.The planetoid Sedna, discovered in 2003, is thought to be a member of the inner Oort Cloud.
Ajouté au bande de temps:
Date:
28 janv. 99997982 av. J.-C.
28 janv. 47982
~ 5883516 years
