The Hidden Lives of Galaxies Poster

This poster illustrates the visible and invisible aspects of galaxies. The central image compares an optical image of the Andromeda galaxy with its x-ray image. Other areas of the poster illustrate different types of galaxies, and the size and scale of star systems, galaxies and clusters of galaxies. The poster also illustrates the evidence for hidden mass in galaxies. The poster is supported by information and resources on the Imagine the Universe! Web site and the educators guide to The Hidden Lives of Galaxies. Educational levels: High school