radio telescope

noun

: a radio receiver-antenna combination used for observation in radio astronomy

Examples of radio telescope in a Sentence

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Most dark and almost-dark galaxy candidates, Minchin said, have been identified using radio telescopes and searching for hydrogen gas, but those efforts will miss galaxies like CDG-2, where the gas has been removed. Jacopo Prisco, CNN Money, 3 Mar. 2026 The country was once dotted with observatories and radio telescope arrays. Paul M. Sutter, Scientific American, 3 Mar. 2026 Using the world's largest radio telescope array, The Atacama Large Millimeter/submillimeter Array, astronomers have dived deeper into the turbulent and complex tendrils of gas and dust at the heart of our galaxy than ever before. Robert Lea, Space.com, 25 Feb. 2026 Firefly Aerospace’s Blue Ghost Mission 2 with the LuSEE-Night radio telescope aboard will attempt to become the third successful mission to land there. Harry Goldstein, IEEE Spectrum, 1 Feb. 2026 See All Example Sentences for radio telescope

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of radio telescope was in 1947

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Cite this Entry

“Radio telescope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20telescope. Accessed 9 Mar. 2026.

Kids Definition

radio telescope

noun
: a radio receiver-antenna combination used for observation in radio astronomy

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