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TODAY IN HISTORY - Birthday of Physicist Karl Guthe Jansky - 22 Oct 2011
Scientific Americans - Karl Jansky
Carl Jansky's Planetary Moment - Episode 3
Carl Jansky's Planetary Moment - Episode 1
Karl Guthe Jansky was an American physicist and radio engineer who in August 1931 first discovered radio waves emanating from the Milky Way. He is considered one of the founding figures of radio astronomy.