quark star


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quark star

[′kwärk ‚stär]
(astronomy)
A hypothetical star so dense that the nucleons have lost their identity and stability is derived from degenerate quarks.
References in periodicals archive ?
When quark degeneracy pressure is produced, a quark star is born--and the free up and down quarks morph into strange quarks.
There may be yet another stage beyond that of quark stars.
There may be many strangelets in the universe, existing independently of the quark stars that were able to produce them.
A quark star, by contrast, is expected to cool quickly enough to match the observation (by emitting abundant neutrinos very early in life).
Walter proposes that the X-ray source isn't a quark star but merely a hot spot on an ordinary neutron star.
A disrupted quark star could litter space with tiny but massive shards called "quark nuggets" or "strangelets.
A quark star would consist entirely of the building blocks of matter called quarks, but they wouldn't be combined into more massive particles, as they are in all matter known to date.
That value is about half of what's expected if the object were a neutron star, but about right if it were a quark star.