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neutron star
an extremely dense, compact star composed primarily of neutrons, especially the collapsed core of a supernova.
Source: Dictionary.com
neutron star | Define neutron star at Dictionary.com
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A neutron star is the collapsed core of a large (10–29 solar masses) star. Neutron stars are the smallest and densest stars known to exist. Though neutron stars ...


Jul 31, 2013 ... Neutron stars are born from the explosive deaths of massive stars. Although they are about the size of a city, neutron stars pack quite a punch.


Mar 16, 2017 ... A neutron star is the densest object astronomers can observe directly, crushing half a million times Earth's mass into a sphere about 12 miles ...


Neutron Stars. 08.23.07. When the core of a massive star undergoes gravitational collapse at the end of its life, protons and electrons are literally scrunched ...


These interesting objects are born from once-large stars that grew to four to eight times the size of our own sun before exploding in catastrophic supernovae.


Jan 24, 2017 ... Neutron stars have earned their share of superlatives since their discovery in 1967.


Neutron stars comprise one of the possible evolutionary end-points of high mass stars. Once the core of the star has completely burned to iron, energy ...

Jan 4, 2015 ... Stars are not eternal and unchanging - they are born, live their lives, and then die . The way a star dies depends on its mass. A low mass star ...