1 janv. 1935 - The Explorer II balloon takes two people 22km into the sky, where they documented the Earth's curve.
Description:
The Explorer II balloon took two American Army Air Corpsmen into the air inside a pressurised chamber, where it reached 22km and stayed there for 80 minutes.Ajouté au bande de temps:
Date:
1 janv. 1935
Maintenaint
~ Il y a 90 ans