The Hubble Space Telescope has been snapping pictures of the universe for the best part of 35 years, and now astronomers have completed a magnificent 417-megapixel photomosaic of the Andromeda galaxy.

The Andromeda galaxy is a colossal marvel in our sky, hosting over 1 trillion stars. Now, astronomers have used the Hubble Space Telescope to capture hundreds of detailed images of our vast ...