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Because radio wavelengths are much longer than those of visible light, radio telescopes must be very large in order to attain the resolution of optical telescopes. Radio dishes do not have to be as smooth or shiny as optical mirrors because the "light" that they are reflecting, radio waves, are longer in wavelength than visible light. The most straightforward way to make a radio image with your satellite antenna system, then, is to use an array detector, which I believe would be very difficult to find. Radio telescope is an astronomical instrument consisting of a radio receiver and an antenna system that is used to detect radio-frequency radiation emitted by extraterrestrial sources. X-ray telescope, instrument designed to detect and resolve X-rays from sources outside Earth’s atmosphere. Radio telescopes can also use array detectors to produce images, but these array detector systems are often much more complicated and difficult to make. Since then, radio telescopes have been further developed and so radio astronomy became a thing. Because of atmospheric absorption, X-ray telescopes must be carried to high altitudes by rockets or balloons or placed in orbit outside the atmosphere. For the longest time, the largest radio telescope in the world was found in the Arecibo Radio Observatory in Puerto Rico. Balloon-borne telescopes can detect the The first telescopes focused light by using pieces of curved, clear glass, called lenses. However in 2016, China has finally complete the latest largest radio telescope in the world. A telescope is a tool that astronomers use to see faraway objects. Most telescopes, and all large telescopes, work by using curved mirrors to gather and focus light from the night sky..

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