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neutron star
noun
: a dense celestial object that consists primarily of closely packed neutrons and that results from the collapse of a much larger stellar body
Examples of neutron star in a Sentence
Recent Examples on the Web
The collisions of compact astrophysical objects such as black holes and neutron stars emit strong gravitational waves.
—Gaurav Khanna, Discover Magazine, 27 May 2024
The most obvious candidate, the team says, is a pulsar – a type of neutron star that produces beams of electromagnetic radiation from its poles.
—Michael Irving, New Atlas, 29 Nov. 2024
New observations of microscopic vortices confirm the existence of a paradoxical phase of matter that may also arise inside neutron stars.
—Quanta Magazine, 6 Nov. 2024
This neutron star is only 12 miles (20 kilometers) from end to end, yet weighs 1 1/2 times our sun.
—Seth Borenstein, San Diego Union-Tribune, 22 Feb. 2024
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Word History
First Known Use
1934, in the meaning defined above
Dictionary Entries Near neutron star
Cite this Entry
“Neutron star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutron%20star. Accessed 30 Dec. 2024.
Kids Definition
neutron star
noun
: a very dense object in space that consists of closely packed neutrons and is produced by the collapse of a much larger star
More from Merriam-Webster on neutron star
Thesaurus: All synonyms and antonyms for neutron star
Britannica.com: Encyclopedia article about neutron star
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