These drops of water are not the heavenly bodies Hypatia of Alexandria obsessed over but they are beautiful as they refract and reflect the light of the world around them.
These colours are thanks to a more recent mathematician, Benoit Mandelbrot and his famous Mandelbrot Fractal which provides the lighting.
After that it really is just simple macro photography. Why Hypatia's Dream? It should be obvious.
Photo: Robert Rath, ‘Day 604, Hypatia's Dream' 20s f/16 ISO640 100mm