We have known for thousands of years that the sky is full of harmonies and rhythms. Pythagoras called it the “music of the spheres.” As part of the build-up to next week’s great conjunction, Steffen Thorsen (CEO of timeanddate.com) and I have written a piece for Sky & Telescope on the pattern of closer-than-usual approachesContinue reading “Visualizing the music of the spheres”