A knight, also Rittergut which refers to the manorhouse and land of a knight.

(Ger) knight, cavalier.

German for ‘ knight.'

Ritter is a lunar crater located near the southwest edge of Mare Tranquillitatis. It is the northwest member of a crater pair with Sabine crater to the southeast. The two rims are separated by a narrow valley only a couple of kilometers wide.

A wind machine that looks like a giant, oscillating desk fan. These powerful fans often use an automobile engine to spin an airplane propeller to produce strong winds.