NRAO: National Radio Astronomy Observatory

About this Image

Reber surveyed the radio radiation from the sky and presented data as contour maps showing that the brightest areas correspond to the Milky Way. The brightest part is toward the center of the Milky Way galaxy in the south. Other bright radio sources, such as the ones in Cygnus and Cassiopeia were recognized for the first time. In the years from 1938 to 1943, Reber made the first surveys of radio waves from the sky and published his results both in engineering and astronomy journals. His accomplishments insured that radio astronomy became a major field of research following World War II. Research groups in many countries began building bigger and better antennas and receivers to follow up on Reber's discoveries.

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If you would like to obtain a higher resolution version of this image, please contact Pat Smiley.

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Technical Data

Telescope	other
Type of Observation	Unknown

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