( radio telescopes plural ) A radio telescope is an instrument that receives radio waves from space and finds the position of stars and other objects in space. Radio Telescope is an instrument that consists of a radio receiver and antenna system mounted on a wide, bowl-shaped reflector, used to detect radio-frequency emissions from astronomical objects. To begin with, imaging of any kind done with radio telescopes (or radio antennae on spacecraft) is an active technique: the imaging requires that the antenna first broadcast a signal at the object of interest. or wavelengths Õ is loosely defined by three factors: atmospheric transparency, current technology, and fundamental limitations imposed by quantum noise. The signal reflects from the object, and the antenna waits for the return signal. It 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. Radio astronomy definition is - astronomy dealing with radio waves received from outside the earth's atmosphere. Radio astronomy is conducted using giant radio antennas named as radio telescopes, that are either used singularly or with multiple connected telescopes utilizing the techniques of radio interferometry and aperture synthesis. Telescopes are important tools in astronomy , or the study of planets, stars, and other objects in outer space. Published by Houghton Mifflin Harcourt Publishing Company. Radio-telescope definitions A device used in radio astronomy for detecting and recording radio waves coming from stars and other celestial objects, usually consisting of a radio receiver with an antenna fixed on a wide bowl-shaped reflector that collects the waves. 'All Intensive Purposes' or 'All Intents and Purposes'? Delivered to your inbox! The mirror is responsible for capturing the incoming light and directing the reflected rays to the focal point. Jump to navigation Jump to search. 21 sentence examples: 1. radio telescope. The figure-1 depicts radio telescope block diagram.As shown in the figure, radio telescope gather radio frequency waves.• The telescope concentrates radio frequency (RF)waves which fall on the dish part of it. Translation English Cobuild Collins Dictionary. The figure-1 depicts radio telescope block diagram.As shown in the figure, radio telescope gather radio frequency waves.• The telescope concentrates radio frequency (RF)waves which fall on the dish part of it. Every source detected to date is a naturally occurring one. radio telescope (plural radio telescopes) A device for observing astronomical sources of radio waves, normally having one or more large parabolic dishes. See also: radiotélescope, radio telescope, and radio-télescope • The concentration of RF waves will provide information with more definition and resolution.• The captured RF signals from distant radio source is passed to thecont… A radio telescope usually includes a source of radiation of known power for calibration of the received signal. Radio astronomers can therefore obtain a much clearer picture of stars and galaxies than is possible by means of optical … Why Do “Left” And “Right” Mean Liberal And Conservative? Radio Telescope. Radio Astronomy . You want to know about this.” Right? We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. Every source detected to date is a naturally occurring one. n. (Astronomy) an instrument consisting of an antenna or system of antennas connected to one or more radio receivers, used in radio astronomy to detect and analyse radio waves from space. It 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. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus. Most people chose this as the best definition of reflecting-telescope: A telescope in which ligh... See the dictionary meaning, pronunciation, and sentence examples. Copyright © HarperCollins Publishers. Send us feedback. All radio telescopes have at least have 3 basic components: the antenna, the receiver, and the output recorder. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. radio telescope A device for receiving, amplifying, and measuring the intensity of radio waves originating outside the earth's atmosphere or reflected from a body outside the atmosphere. See the full definition for radio telescope in the English Language Learners Dictionary, More from Merriam-Webster on radio telescope, Britannica.com: Encyclopedia article about radio telescope. Information and translations of radio telescope in the most comprehensive dictionary definitions resource on the web. Definition of radio telescope written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. The opening line of any book should say, in the words of Stephen King, “Listen. 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. radio telescope n an instrument consisting of an antenna or system of antennas connected to one or more radio receivers, used in radio astronomy to detect and analyse radio waves from space English Collins Dictionary - English Definition & Thesaurus The observatory's prime 300-foot (91 meters) telescope was the most literal definition of "down" — it had simply collapsed, with no warning. simply a telescope that is designed to receive radio waves from space noun Astronomy. radio telescope. an instrument consisting of an antenna or system of antennas connected to one or more radio receivers, used in radio astronomy to detect and analyse radio waves from space. Learn more. Jansky's radio antenna was 30 meters long, and it rotated on four wheels from a Model T Ford. “If you really want to hear about it, the first thing you'll probably want to know is where I was born, and what my lousy childhood was like, and how my parents were occupied and all before they had me, and all that David Copperfield kind of crap, but I don't feel like going into it, if you want to know the truth.”, The Adventures of Huckleberry Finn by Mark Twain, Dictionary.com Unabridged Since then about 150 molecular species have been detected, only a few of which can be observed at optical wavelengths. The same types of antennas are also used in tracking and collecting data from satellites and space probes. radio telescope definition: 1. a device for receiving, for scientific study, the electromagnetic waves sent out by objects in…. A radio telescope is used to detect radio emissions. He's making a quiz, and checking it twice... Test your knowledge of the words of the year. a system consisting of an antenna, either parabolic or dipolar, used to gather radio waves emitted by celestial sources and bring them to a receiver placed in the focus. … https://www.atnf.csiro.au/outreach/education/everyone/radio-astronomy ‘A radio telescope has detected hundreds of hydrogen clouds in the gaseous halo that surrounds the disk of our galaxy.’ More example sentences ‘Jupiter is not hot enough to emit visible light, but it does radiate a huge flux of microwaves, making it quite bright to a radio telescope.’ noun. n an instrument consisting of an antenna or system of antennas connected to one or more radio receivers, used in radio astronomy to detect and analyse radio waves from space. n-count. 1. astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extraterrestrial sources Familiarity information: RADIO TELESCOPE used as a noun is very rare. A telescope is an instrument that allows people to see distant objects. Radio telescopes are also used to study interstellar molecular gas clouds. Radio telescope definition: A radio telescope is an instrument that receives radio waves from space and finds the... | Meaning, pronunciation, translations and examples Please tell us where you read or heard it (including the quote, if possible). The emissions are picked up here on Earth by radio telescopes. Unlike optical telescopes, radio telescopes are found in a greater variety and each type is used for very specific observations. Describe 2020 In Just One Word? A radio telescope is used to detect radio emissions. radio telescope A device for receiving, amplifying, and measuring the intensity of radio waves originating outside the earth's atmosphere or reflected from a body outside the atmosphere. Here are the pros and cons of radio telescopes to think about. Radio telescope, astronomical instrument consisting of a radio receiver and an antenna system that is used to detect radio-frequency radiation between wavelengths of about 10 metres (30 megahertz [MHz]) and 1 mm (300 gigahertz [GHz]) emitted by extraterrestrial sources, such as stars, galaxies, and quasars. Radio Telescope is an instrument that consists of a radio receiver and antenna system mounted on a wide, bowl-shaped reflector, used to detect radio-frequency emissions from astronomical objects. Every time I post a radio telescope image of a near-Earth asteroid, I get at least one reader question asking me to explain how radio telescopes take photos, so I'm hereby writing a post explaining the basics of how delay-Doppler imaging works. Definition. Learner's definition of RADIO TELESCOPE. And if you put radio telescope there you can get a radio signal. noun. Radio astronomy is the study of objects and processes in space that emit radio frequencies. The American Heritage® Science Dictionary Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Learn more. (See radio and radar astronomy.) They bring the emission to a focus, then amplify it, allowing for other instruments to analyze what has been received. • It reflects the RF waves from dish to a RF receiver. American Heritage® Dictionary of the English Language, Fifth Edition. A radio telescope is similar to the radio in your car, but is much bigger, more sensitive, and able to create a visual picture of the signals it receives. Definition of radio telescope : a radio receiver-antenna combination used for observation in radio astronomy Examples of radio telescope in a Sentence Recent Examples on the Web The collapse … The first molecule detected by radio telescopes was hydroxyl (OH) in 1963. Radio and radar astronomy, study of celestial bodies by examination of the radio-frequency energy they emit or reflect. Can you spell these 10 commonly misspelled words? Test Your Knowledge - and learn some interesting things along the way. The Dictionary.com Word Of The Year For 2020 Is …. These emissions may come from artificial satellites or from natural objects in the sky. First, let’s identify how a beginner can start in radio astronomy. radio telescope in British English. Radio Astronomy . A device used in radio astronomy for detecting and recording radio waves coming from stars and other celestial objects, usually consisting of a radio receiver with an antenna fixed on a wide bowl-shaped reflector that collects the waves. Learn a new word every day. All Free. The observatory's prime 300-foot (91 meters) telescope was the most literal definition of "down" — it had simply collapsed, with no warning. Definition of radio-telescope noun in Oxford Advanced Learner's Dictionary. 3. Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies.The first detection of radio waves from an astronomical object was in 1932, when Karl Jansky at Bell Telephone Laboratories observed radiation coming from the Milky Way.Subsequent observations have identified a number of different sources of radio emission. Come in here. Some, called light telescopes, gather light from objects. What made you want to look up radio telescope? astronomical device. So, how well do you know the actual opening lines from some of literature's greatest novels? • It reflects the RF waves from dish to a RF receiver. Radio waves penetrate much of the gas and dust in space, as well as the clouds of planetary atmospheres, and pass through Earth’s atmosphere with little distortion. Accessed 18 Dec. 2020. 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