Karl Guthe Jansky was an American physicist and radio engineer who in April 1933 first announced his discovery of radio waves emanating from the Milky Way in the constellation Sagittarius. An amateur
Jansky Pose
Karl G. Jansky Very Large Array, National Radio Astronomy Observatory, New Mexico
Full-size replica of Jansky's radio telescope, now at the Green Bank Observatory
Green Bank plaque: Jansky Antenna
The Karl G. Jansky Very Large Array is a centimeter-wavelength radio astronomy observatory in the southwestern United States built in the 1970s. It lies in central New Mexico on the Plains of San Agus
Karl Guthe Jansky
…fellowship program is named after Karl Jansky. NRAO awards the Jansky Prize annually in Jansky's honor. On March 31, 2012, the NRAO renamed the Very Large Array (VLA) radio telescope in Magdalena, New Mexico, as the Karl G. Jansky Very Large Array in honor of Jansky's contribution to radio astronomy. A full-scale…
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One of the 28 radio telescopes, seen here undergoing maintenance in "The Barn"
The Bracewell Radio Sundial on the VLA walking tour, seen from the south. Named for Ronald N. Bracewell, this sundial marks on the ground positions of the shadow of the central sphere (the gnomon) at different times of day and times of year. The shadow on Dec 22, 2017 falls very near the winter solstice line and the 1:00 PM (solar time) mark. The other two lines of markers north of the gnomon are for the equinoxes and the summer solstice. Additional lines of markers south of the gnomon mark positions of "shadows" of the radio sources
The cross rail track structure of the VLA, including an empty antenna mount station on the right (the three concrete piers that the antenna's triangular base mounts to)