Craters
Swann
Origin of the name
William Francis Gray; Anglo-American physicist (1884-1962).
When to observe it
On the far side: it never faces the Earth. Only spacecraft have seen it.
Khonsu EN/FR Français Khonsu EN/FR FrançaisCraters
William Francis Gray; Anglo-American physicist (1884-1962).
On the far side: it never faces the Earth. Only spacecraft have seen it.