Craters
Abbe
Origin of the name
Ernst Karl; German optician, physicist, astronomer (1840-1905).
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
Ernst Karl; German optician, physicist, astronomer (1840-1905).
On the far side: it never faces the Earth. Only spacecraft have seen it.