old space book
love letters 19 (series) Josias Scharf
The solid line represents yang, the creative principle. The open line represents yin, the receptive principle. These principles are represented in a circular symbol (?), known as taijitu, known in the west as the yin-yang (??) diagram, expressing the idea of complementarity of changes. The trigrams and hexagrams are represented using lines horizontally from left-to-right, using '
The most amazing, highest resolution image of Earth ever (according to NASA). Photo is pretty amazing viewed at full-size.