Moon Postcards

 

 Mount Rainier, with full Moon. Photo by Edward Nugent.

THE CRESCENT EFFECT A last-quarter Moon occurs about three weeks after New Moon. Its lighted posrtion typically faces the horizon of the Earth, as shown in this photograph.

Both postcards sent by Bryon. The latter arrived with this stamp featuring Sally Ride, who became the first American woman in space in 1983. The stamp was issued on 22 May 2018.