tag #galaxies 4 reading cards on “galaxies”, in chronological order. Part of the full archive. 2026-05-07 Cosmic Pinwheels A field guide to the shapes of galaxies. The first time someone tried to put galaxies in alphabetical order was 1926. The order has changed remarkably little since. 2026-05-07 How Much Does a Galaxy Weigh? The question is poorly posed — and the answer is stranger than the question. There is no scale large enough to weigh a galaxy. The methods we have invented instead reveal that most of the answer is something we cannot see. 2026-05-07 The Mystery of the Milky Way Mapping a city from inside a foggy window. We have always lived inside the Galaxy, never outside it. Drawing its map has been like sketching a metropolis from a single window — and the picture is still unfinished. 2026-05-06 The Andromeda Galaxy The nearest thing to a mirror the Milky Way has. The brightest object beyond the Milky Way visible to the unaided eye looks like a smudge of light. It is also the only galaxy heading our way — and we have an appointment.
