radio galaxy

noun

: a galaxy that is a powerful source of radio waves

Examples of radio galaxy in a Sentence

Recent Examples on the Web With jets both in the plane of the school and with one directed at us, this galaxy was reclassified as a radio galaxy with a blazar at its center. Julia Musto, Fox News, 1 Apr. 2023 Located more than 656 million light-years away, it is now classified as a giant radio galaxy that has a blazar in its core. Julia Musto, Fox News, 1 Apr. 2023 It was previously classified as a radio galaxy, but the new research released in March has revealed otherwise. Julia Musto, Fox News, 1 Apr. 2023 The galaxy, which is named Alcyoneus, is a giant radio galaxy. Joshua Hawkins, BGR, 19 Feb. 2022 MeerKAT is already trying to find similarly gargantuan filaments in other radio galaxies. Robin George Andrews, Scientific American, 16 Apr. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'radio galaxy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of radio galaxy was in 1959

Dictionary Entries Near radio galaxy

Cite this Entry

“Radio galaxy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20galaxy. Accessed 23 Jun. 2024.

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