Craters
Chaplygin
Origin of the name
Sergei Alekseevich; Soviet mathematician, engineer (1869-1942).
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
Sergei Alekseevich; Soviet mathematician, engineer (1869-1942).
On the far side: it never faces the Earth. Only spacecraft have seen it.