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
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When their cores run out of fuel, gravity crushes them inward, triggering supernovae that leave behind a neutron star or black hole.
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Sharmila Kuthunur, Space.com, 8 Oct. 2025
White dwarfs will cool to become black dwarfs after about 1014 years or so, and the even smaller neutron stars will cease to emit visible light after around 1015-1016 years.
—Ethan Siegel, Big Think, 3 Oct. 2025
In the 10 years since then, scientists have detected hundreds of black holes coming together, as well as other extreme cosmic events like neutron stars colliding and black holes merging with a neutron star.
—Nell Greenfieldboyce, NPR, 11 Sep. 2025
Among these new discoveries is a neutron star–black hole merger.
—Chad Hanna, The Conversation, 10 Sep. 2025
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Sharmila Kuthunur, Space.com, 8 Oct. 2025
White dwarfs will cool to become black dwarfs after about 1014 years or so, and the even smaller neutron stars will cease to emit visible light after around 1015-1016 years.
—Ethan Siegel, Big Think, 3 Oct. 2025
In the 10 years since then, scientists have detected hundreds of black holes coming together, as well as other extreme cosmic events like neutron stars colliding and black holes merging with a neutron star.
—Nell Greenfieldboyce, NPR, 11 Sep. 2025
Among these new discoveries is a neutron star–black hole merger.
—Chad Hanna, The Conversation, 10 Sep. 2025
See All Example Sentences for neutron star
Cite this Entry
“Neutron star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neutron%20star. Accessed 10 Oct. 2025.
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