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
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The complete gravitational collapse that results creates either a neutron star or a black hole, and also sends out a blast of energy and high-speed particles that can traverse star systems and entire galaxies in some cases.
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Robert Lea, Space.com, 13 June 2025
For Córdova, that path began with a moment of astonishment: watching a television program about neutron stars as a young woman, she was struck by the immensity of the cosmos and felt the pull of a question that would guide her for a lifetime — how does the universe work?
—John Drake, Forbes.com, 2 June 2025
These waves may also create detectable radio signals, potentially allowing astronomers to catch two distinct bursts from a single neutron star–black hole collision.
—Sharmila Kuthunur, Space.com, 5 June 2025
With their extremely strong magnetic fields, these neutron stars – small, dense collapsed cores of supergiant stars – are capable of producing the powerful bursts of energy that have been observed for years.
—Eric Lagatta, USA Today, 31 May 2025
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Robert Lea, Space.com, 13 June 2025
For Córdova, that path began with a moment of astonishment: watching a television program about neutron stars as a young woman, she was struck by the immensity of the cosmos and felt the pull of a question that would guide her for a lifetime — how does the universe work?
—John Drake, Forbes.com, 2 June 2025
These waves may also create detectable radio signals, potentially allowing astronomers to catch two distinct bursts from a single neutron star–black hole collision.
—Sharmila Kuthunur, Space.com, 5 June 2025
With their extremely strong magnetic fields, these neutron stars – small, dense collapsed cores of supergiant stars – are capable of producing the powerful bursts of energy that have been observed for years.
—Eric Lagatta, USA Today, 31 May 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 25 Jun. 2025.
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