What is the name of an optical instrument that is detected by radio waves?
The radio telescope is the exploration of the universe telescope through electromagnetic wave receiving and analyzing the cosmic radiation.
There are many.Radio telescopes, for example
Visible light is actually only a small band in the spectrum of the electromagnetic spectrumThere are many kinds of instruments detected by radio waves:An active electromagnetic wave, such as a radar detectorPassive electromagnetic waves, such as infrared remote sensing and X band remote sensing instruments