radio astronomy


Definition of radio astronomy 

: astronomy dealing with radio waves received from outside the earth's atmosphere

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Other Words from radio astronomy

radio astronomer noun
radio astronomical adjective

Examples of radio astronomy in a Sentence

Recent Examples on the Web

But like radio astronomy, optical SETI isn’t foolproof. Meghan Bartels, Newsweek, "Do Aliens Exist? Human Technology May Prevent Us From Finding Out," 1 Mar. 2018 Forty years later, a University of Michigan professor did, the late Frederick Haddock, a pioneer in radio astronomy. Judy Rose, Detroit Free Press, "Frank Lloyd Wright house near Ann Arbor is a 'small masterpiece'," 9 June 2018 The Netherlands is strong in radio astronomy: Its Low-Frequency Array (LOFAR) stretches across much of northern Europe. Daniel Clery, Science | AAAS, "China’s moon mission will probe cosmic dark ages," 16 May 2018 This breakthrough has widespread applications, and it could be used for high-precision experiments to make atomic clocks more accurate, to collect better radio astronomy data and to test Einstein’s theory of relativity. Hannah Osborne, Newsweek, "World’s Sharpest Laser Created by Scientists Can Travel 2 Million Miles Before It Falters," 30 June 2017 Not everyone, however, is convinced that the assumptions of radio astronomy make sense. Meghan Bartels, Newsweek, "Do Aliens Exist? Human Technology May Prevent Us From Finding Out," 1 Mar. 2018 This process, called very long baseline interferometry, is applied routinely in radio astronomy, but operating in optical frequencies requires timing precision that is currently out of reach. Davide Castelvecchi, Scientific American, "The Quantum Internet Has Arrived (and It Hasn’t)," 16 Feb. 2018 People in the suburbs hosted Echo-watching parties, and scientists conducted radio astronomy experiments using the second Echo satelloon. Lisa Ruth Rand, Popular Mechanics, "Space-Spotting: How To See Humanity Star and Other Objects in Orbit," 26 Jan. 2018 Later, the telescope became instrumental in the search for extraterrestrial intelligence (SETI) programs and in other aspects of radio astronomy. National Geographic, "Hurricane Damages Giant Radio Telescope—Why It Matters," 26 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'radio astronomy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of radio astronomy

1948, in the meaning defined above

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The first known use of radio astronomy was in 1948

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