14 nov 1971 - Mariner 9 Becomes First Probe to Enter Mars Orbit
Description:
When Mariner 9 arrived at Mars on November 14, 1971, planetary scientists were surprised to find the atmosphere was thick with "a planet-wide robe of dust, the largest storm ever observed." The surface was totally obscured.Ajouté au bande de temps:
Date:
14 nov 1971
Maintenaint
~ Il y a 52 ans
