Craters
Ryder
Origin of the name
Graham; United Kingdom-born, American geologist (1949-2002).
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
Graham; United Kingdom-born, American geologist (1949-2002).
On the far side: it never faces the Earth. Only spacecraft have seen it.