Rule #3: Cosmological Art ["Lucy in the Sky with Diamonds"]
Venus, Jupiter, and Noctilucent Clouds, Petr Horálek, on APOD
Post 2,682 “Conjunction in the Sky with Venus, Jupiter, and Noctilucent Clouds”
Related source » Robot Origami: Robot self-folds, walks, and completes tasks - YouTube: 'via Blog this'
[This related source is recommended in its entirety.]
“A team of MIT researchers have developed a printable origami robot that folds itself up from a flat sheet of plastic when heated and measures about a centimeter from front to back. (Learn more: http://mitne.ws/1HwBZro)
Video: Melanie Gonick/MIT Additional footage: Shuhei Miyashita”
— Published on Jun 11, 2015 (youtube.com)