关于这张图
AS08-14-2506 (21-27 Dec. 1968) --- This photograph of a nearly full moon was taken from the Apollo 8 spacecraft at a point above 70 degrees east longitude. (Hold picture with moon's dark portion at left). Mare Crisium, the circular, dark-colored area near the center, is near the eastern edge of the moon as viewed from Earth. Mare Nectaris is the circular mare near the terminator. The large, irregular maira are Tranquillitatis and Fecunditatis. The terminator at left side of picture crosses Mare Tranquillitatis and highlands to the south. Lunar farside features occupy most of the right half of …