20 août 1977 - Voyages 1 and 2
Description:
designed to do close up studies. It was important because the voyagers were planned to arrive during rare planetary alignment. Voyager 1 experienced intersteller space. both voyagers included metal plaque onboard.Ajouté au bande de temps:
Date:
20 août 1977
Maintenaint
~ Il y a 47 ans