Helps the reader navigate between the images of different phenomena, which are grouped into nebulas, stars, the sun, the planets, satellites, galaxies, and the origins of the universe. This work contains entries ranging from an asteroid to a white dwarf.

Featuring a foreword by Stephen Hawking, and presented in an A-to-Z format, an exhilarating photographic tour of the galaxy presents images, taken by the latest telescopes, probes, and satellites, accompanied by fascinating facts.