Radio telescope
Edit Watch this page Read in another language Radio telescope The 64-meter radio telescope at Parkes Observatory as seen in 1969, when it was used to receive live televised footage from Apollo 11 Antenna of UTR-2 low frequency radio telescope, Kharkiv region, Ukraine . Consists of an array of 2040 cage dipole elements. A radio telescope is a specialized antenna and radio receiver used to receive radio waves from astronomical radio sources in the sky in radio astronomy . [1] [2] [3] Radio telescopes are the main observing instrument used in radio astronomy, which studies the radio frequency portion of the electromagnetic spectrum emitted by astronomical objects, just as optical telescopes are the main observing instrument used in traditional optical astronomy which studies the light wave portion of the spectrum coming from astronomical objects. Radio telescopes are typically large parabolic ("dish") a