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

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, 27 Jan. 2025

That has led to a focus on compact objects, like neutron stars and black holes—especially a class of neutron stars called magnetars—as likely sources. —Ars Technica, 22 Jan. 2025

Scientists have long theorized neutron stars, ultradense core remnants left behind after massive stars explode, as origins of fast radio bursts. —Ashley Strickland, CNN, 24 Jan. 2025

This is how close NASA's Parker Solar Probe will fly by the sun Astronomers hypothesize that the FRBs could be originating from two supernova remnants, called neutron stars, that are merging or collapsing onto themselves, Shah said. —Julia Jacobo, ABC News, 24 Jan. 2025

Word History

First Known Use

1934, in the meaning defined above

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