Reber's radio contour map of Milky Way

Reber's radio contour map of Milky Way

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This image is part of the feature 400 Years Of The Telescope

Credit: NRAO/AUI/NSF/SCIENCE PHOTO LIBRARY

Restrictions: This image may not be used to state or imply the endorsement by NRAO, AUI or NSF of any company or product

Caption: Reber's radio contour map of Milky Way. This radiation map of the sky shows that the brightest areas correspond to the Milky Way. Grote Reber (1911-2002), US radio astronomer, was born in Illinois. He studied radio engineering in the 1930s and, inspired by Jansky's articles about extraterrestrial 'noise', tried to get a job at an astronomical observatory studying cosmic radio waves. He was, however, unsuccessful due to the Great Depression and instead built the world's first radio telescope in his back yard in 1937. With improvements over the next few years he was able to confirm Jansky's discovery that the static interfering with shortwave communication was coming from the centre of our galaxy, and make the radio-frequency sky maps seen here.

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