Hypothetical Object
Preon Star
An ultra-dense star of sub-quark particles.
Speculative compact object built from hypothetical preons — particles supposedly smaller than quarks and leptons.
Overview
Speculative compact object built from hypothetical preons — particles supposedly smaller than quarks and leptons.
See also
Boson Star
A self-gravitating cloud of bosonic particles.
Axionic Star
A star of ultralight axion dark-matter particles.
Black Dwarf
A theoretical cold white-dwarf remnant.
Blue Dwarf
A predicted future fate for some red dwarfs.
Gravastar
A black-hole alternative made of exotic vacuum.
Quark Star
A neutron star compressed into quark matter.