Tells the story of how a sea of superhot gas, expanding out of the Big Bang and cooling as it did, gave rise to galaxies, stars, planets and people. Illustrated with photographs of deep space.
A biography of astronomer Edwin Hubble. Describes his education, his research, and his discoveries that the universe contains many galaxies and that it is expanding.
Examines the life and accomplishments of Edwin Hubble, the American astronomer responsible for discovering the size of the universe and that it is expanding, and includes a time line, and a selection of primary source transcriptions and images.