extragalactic
adjective
ex·tra·ga·lac·tic
ˌek-strə-gə-ˈlak-tik 
: originating or existing outside the Milky Way galaxy
also
: of or relating to extragalactic space
extragalactic astronomy
Examples of extragalactic in a Sentence
Recent Examples on the Web
That’s no supernova The most common extragalactic transient luminous events, meaning flashes of light that evolve and vanish rapidly, are supernovae.
—
Elizabeth Rayne, Ars Technica, 27 Nov. 2023
This extragalactic neighbor of our home Milky Way galaxy is located almost 200,000 light-years away from Earth and could crash into our home galaxy in about two billion years.
—Laura Baisas, Popular Science, 29 Nov. 2023
True, astronomers still don’t know the origins of these extragalactic milliseconds-long radio pulses, and until this year fewer than 20 had ever been detected.
—Yvette Cendes, Discover Magazine, 15 Dec. 2016
Last year, IceCube physicists reported 79 neutrinos coming from the heart of a nearby galaxy called NGC 1068, the first steady source of extragalactic neutrinos pinpointed.
—Byadrian Cho, science.org, 22 June 2023
For a long time, Lorimer was the only one who'd found a seemingly extragalactic burst, and doubts crept in.
—Sarah Scoles, Discover Magazine, 7 Jan. 2014
In a recent study published in Science, however, researchers identified an extragalactic source for these subatomic particles.
—Phil Plait, Scientific American, 20 Dec. 2022
On its way to Earth, this CME plowed past a satellite called ACE , designed to study subatomic particles ejected by the Sun (as well as from galactic and extragalactic sources, too).
—Phil Plait, Discover Magazine, 19 Apr. 2011
The last generation of extragalactic astronomy has moved into far more sophisticated analyses than cataloging.
—David J Eicher, Discover Magazine, 19 May 2020
Elizabeth Rayne, Ars Technica, 27 Nov. 2023
This extragalactic neighbor of our home Milky Way galaxy is located almost 200,000 light-years away from Earth and could crash into our home galaxy in about two billion years.
—Laura Baisas, Popular Science, 29 Nov. 2023
True, astronomers still don’t know the origins of these extragalactic milliseconds-long radio pulses, and until this year fewer than 20 had ever been detected.
—Yvette Cendes, Discover Magazine, 15 Dec. 2016
Last year, IceCube physicists reported 79 neutrinos coming from the heart of a nearby galaxy called NGC 1068, the first steady source of extragalactic neutrinos pinpointed.
—Byadrian Cho, science.org, 22 June 2023
For a long time, Lorimer was the only one who'd found a seemingly extragalactic burst, and doubts crept in.
—Sarah Scoles, Discover Magazine, 7 Jan. 2014
In a recent study published in Science, however, researchers identified an extragalactic source for these subatomic particles.
—Phil Plait, Scientific American, 20 Dec. 2022
On its way to Earth, this CME plowed past a satellite called ACE , designed to study subatomic particles ejected by the Sun (as well as from galactic and extragalactic sources, too).
—Phil Plait, Discover Magazine, 19 Apr. 2011
The last generation of extragalactic astronomy has moved into far more sophisticated analyses than cataloging.
—David J Eicher, Discover Magazine, 19 May 2020
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'extragalactic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near extragalactic
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“Extragalactic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extragalactic. Accessed 23 Apr. 2024.
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