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∙ 14y agoradio
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∙ 14y agoThe biggest telescopes on Earth typically operate in the optical and infrared parts of the electromagnetic spectrum. These telescopes are used to study a wide range of celestial objects, from planets and stars to galaxies and quasars.
Sound waves are not detected by telescopes, as telescopes are instruments that are designed to detect electromagnetic radiation, such as radio waves, X rays, and visible light. Sound waves require a medium, such as air or water, to travel through, and can't propagate through the vacuum of space where telescopes operate.
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Both radio telescopes and reflecting telescopes are instruments used to observe astronomical objects in space. They both use a large dish or mirror to collect and focus incoming radiation (radio waves or light) to create an image or spectrum of the object being observed. Additionally, both types of telescopes can be used to study a wide range of astronomical phenomena, from distant galaxies to planetary atmospheres.
Sensors that primarily operate in the electromagnetic spectrum just below the range of visible light include infrared (IR) sensors. These sensors detect and measure infrared radiation, which has longer wavelengths than visible light. They are commonly used in applications such as night vision devices, remote temperature sensing, and proximity detection.
Radio telescopes do not use visual light energy. Instead, they detect radio waves emitted by celestial objects in space. These telescopes are able to observe wavelengths of light that are longer than what is visible to the human eye.
As far as I know, there is no "optical radio telescope". There are, separately, optical telescopes (which work with visible light), and radio telescopes (which work with radio waves).
Radio signals are sent from Earth, to operate the telescopes.
Sound waves are not detected by telescopes, as telescopes are instruments that are designed to detect electromagnetic radiation, such as radio waves, X rays, and visible light. Sound waves require a medium, such as air or water, to travel through, and can't propagate through the vacuum of space where telescopes operate.
Microwave ovens use electromagnetic radiation in the microwave region of the electromagnetic spectrum. Specifically, they typically operate at a frequency of 2.45 GHz, which corresponds to a wavelength of around 12 cm.
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AM waves are found on the lower frequency end of the electromagnetic spectrum, typically ranging from 535 to 1705 kHz. FM waves, on the other hand, are found on the higher frequency end of the spectrum, typically ranging from 88 to 108 MHz.
Both radio telescopes and reflecting telescopes are instruments used to observe astronomical objects in space. They both use a large dish or mirror to collect and focus incoming radiation (radio waves or light) to create an image or spectrum of the object being observed. Additionally, both types of telescopes can be used to study a wide range of astronomical phenomena, from distant galaxies to planetary atmospheres.
Some devices that involve electromagnetic waves that we can't see include microwave ovens (use microwaves), X-ray machines (use X-rays), and radio transmitters (use radio waves). These devices operate on different parts of the electromagnetic spectrum, beyond what is visible to the human eye.
As far as I know, there is no "optical radio telescope". There are, separately, optical telescopes (which work with visible light), and radio telescopes (which work with radio waves).
A radio telescope is a form of directional radio antenna used in radio astronomy. The same types of antennas are also used in tracking and collecting data from satellites and space probes. In their astronomical role they differ from optical telescopes in that they operate in the radio frequency portion of the electromagnetic spectrum where they can detect and collect data on radio sources. Radio telescopes are typically large parabolic ("dish") antennas used singly or in an array. Radio observatories are preferentially located far from major centers of population to avoid electromagnetic interference (EMI) from radio, TV, radar, and other EMI emitting devices. This is similar to the locating of optical telescopes to avoid light pollution, with the difference being that radio observatories are often placed in valleys to further shield them from EMI as opposed to clear air mountain tops for optical observatories.
Radio telescopes do not use visual light energy. Instead, they detect radio waves emitted by celestial objects in space. These telescopes are able to observe wavelengths of light that are longer than what is visible to the human eye.
Sensors that primarily operate in the electromagnetic spectrum just below the range of visible light include infrared (IR) sensors. These sensors detect and measure infrared radiation, which has longer wavelengths than visible light. They are commonly used in applications such as night vision devices, remote temperature sensing, and proximity detection.