radio_telescope has definitions from the fields of physics,astronomy
[ noun ] (physics,astronomy) astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources



Used in print

(1961 Research Highlights of the National Bureau of...)

High sensitivity in radio_telescopes is achieved by reducing the bandwidth of the receiver ; therefore , only with precise foreknowledge of the line frequencies is an astronomical search for the radio_spectra of these molecules feasible .