A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

There's so much more to Andromeda than its eponymous galaxy. Here's a list of other targets to observe in the Princess.

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

The astronomer wrote it under a pseudonym in 1605 to avoid persecution for ‘heretical’ theories.