This illustration shows one of the regions in the neighboring Andromeda galaxy where astronomers aimed the Hubble Space Telescope to make precise measurements of the galaxy's lateral motion. As the galaxy drifts through space, the stars will appear to uniformly move against the far-more-distant background galaxies, which remain fixed on the sky.
Object Names: M31, NGC 224, Andromeda Galaxy
Image Type: Illustration
To access available information and downloadable versions of images in this news release, click on any of the images below: