science

definition of radio telescope

The radio telescope It is an instrument used to capture radio waves, emitted by radio sources; the aforementioned capture is plausible from a huge parabolic antenna or set of them, which the instrument has.

The origin of the radio telescope is due to Grote Reber, an American engineer, considered the pioneer of radio astronomy, who built a 9-meter antenna that he directed for this purpose.

Astronomy makes a recurrent use of this device, even more, there is a branch within it, the radio astronomya, which carries out its observations through radio telescopes. An important amount of the celestial objects that prevail in the universe, such as pulsars or active galaxies, emit radio frequency radiation and therefore it is that they are more visible or directly only visible in that radio region of the electromagnetic spectrum. So, by studying the frequency, power and times of radio emissions that the celestial objects in question show, it is possible to advance in the knowledge and understanding of the universe.

Radio astronomy is a fairly new branch of astronomical research and therefore still has a lot to explore and discover, however, thanks to the use of radio telescopes it has managed to greatly expand the knowledge regarding certain astrophysical phenomena, based on the measurement of the emission of electromagnetic radiation that they produce. As radio waves have a longer length than visible light, this possibility opens up.

To be able to receive faithful signals, large antennas or groups of these need to be used but that work together and this situation is only achievable through an instrument such as the radio telescope.

Another very common use of this instrument arises at the request of space projects such as unmanned space flights.

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