12 h 6 mai 2017 ans av. J.-C. - Formation of the thin disk of the Milky Way Galaxy
Description:
Estimated to have been formed 1.7 billion years ago.
Ajouté au bande de temps:
Date:
12 h 6 mai 2017 ans av. J.-C.
Maintenaint
~ Il y a 4044 ans
Les images: