radio telescope


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 Every year since Arecibo’s completion, in 1963, hundreds of researchers from around the world had taken turns pointing the radio telescope toward the sky to glean the secrets of the universe. Daniel Alarcón, The New Yorker, "The Collapse of Puerto Rico’s Iconic Telescope," 29 Mar. 2021 In 1992, Alexander Wolszczan and Dale Frail, using the Arecibo Observatory’s radio telescope, discovered the first planets outside of our solar system orbiting a pulsar in the Virgo system. Meghan Herbst, Wired, "Can Alien Smog Lead Us to Extraterrestrial Civilizations?," 4 Mar. 2021 The picture of the galaxy, two billion light years away, was taken with the combined help of the Hubble Space Telescope and the Very Large Array radio telescope. Georgia Garvey,, "Column: We’re all just particles bouncing off one another, tied together by a very big universe," 19 Apr. 2021 The construction of a world-class radio telescope in Puerto Rico was, in some ways, an accident of the Cold War. Daniel Alarcón, The New Yorker, "The Collapse of Puerto Rico’s Iconic Telescope," 29 Mar. 2021 At the Parkes Observatory in Australia, the team uses a 210-foot-wide radio telescope to study Proxima Centauri. Claire Bugos, Smithsonian Magazine, "Astronomers Discover Mysterious Radio Signal From Proxima Centauri," 22 Dec. 2020 China has the world’s largest radio telescope and the first Moon rocks in 45 years. Dennis Normile, Science | AAAS, "China’s premier astronomy and planetary resources lure foreign collaborators," 1 Apr. 2021 At the time, the largest radio telescope, near Manchester, England, had a diameter of two hundred and fifty feet; Arecibo’s telescope would be a thousand feet wide, dwarfing every other such instrument in use. Daniel Alarcón, The New Yorker, "The Collapse of Puerto Rico’s Iconic Telescope," 29 Mar. 2021 In the new study, Miller-Jones and his colleagues analyzed observations of Cygnus X-1 from the Very Long Baseline Array (VLBA), a giant radio telescope made of 10 dishes scattered across the U.S. Charles Q. Choi, Scientific American, "Astronomers Just Upsized an Iconic Black Hole," 24 Feb. 2021

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

See More

First Known Use of radio telescope

1947, in the meaning defined above

Keep scrolling for more

Learn More about radio telescope

Time Traveler for radio telescope

Time Traveler

The first known use of radio telescope was in 1947

See more words from the same year

Statistics for radio telescope

Last Updated

3 May 2021

Cite this Entry

“Radio telescope.” Dictionary, Merriam-Webster, Accessed 13 May. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for radio telescope

radio telescope


English Language Learners Definition of radio telescope

technical : a piece of equipment that receives radio waves from space and that is used for finding stars and other objects

More from Merriam-Webster on radio telescope Encyclopedia article about radio telescope

Comments on radio telescope

What made you want to look up radio telescope? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Words Used by Nabokov Quiz

  • image1676440788
  • Choose the best definition or synonym for the word in bold: "There are some eructations that sound like cheers—at least, mine did." Lolita
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!