Allan Rex Sandage Encyclopedia Article

Allan Rex Sandage

The following sections of this BookRags Literature Study Guide is offprint from Gale's For Students Series: Presenting Analysis, Context, and Criticism on Commonly Studied Works: Introduction, Author Biography, Plot Summary, Characters, Themes, Style, Historical Context, Critical Overview, Criticism and Critical Essays, Media Adaptations, Topics for Further Study, Compare & Contrast, What Do I Read Next?, For Further Study, and Sources.

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The following sections, if they exist, are offprint from Beacham's Encyclopedia of Popular Fiction: "Social Concerns", "Thematic Overview", "Techniques", "Literary Precedents", "Key Questions", "Related Titles", "Adaptations", "Related Web Sites". (c)1994-2005, by Walton Beacham.

The following sections, if they exist, are offprint from Beacham's Guide to Literature for Young Adults: "About the Author", "Overview", "Setting", "Literary Qualities", "Social Sensitivity", "Topics for Discussion", "Ideas for Reports and Papers". (c)1994-2005, by Walton Beacham.

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Allan Rex Sandage

1926-

American astronomer who was a pioneer in radio astronomy and who, in 1961, discovered quasars (quasi-stellar radio sources). Located billions of light-years away, quasars are sources of radio waves, the first radio source discovered beyond the solar system. Quasars are thought to be early stages in the formation of galaxies. He also helped refine the method of measuring astronomical distances, studied the evolution of stars, and related the age of stars to their color.