Hypothetical Object
Gravastar
A black-hole alternative made of exotic vacuum.
A speculative compact object with a de Sitter interior surrounded by a thin shell of matter, mimicking a black hole without a singularity.
Overview
A speculative compact object with a de Sitter interior surrounded by a thin shell of matter, mimicking a black hole without a singularity.
See also
Black Dwarf
A theoretical cold white-dwarf remnant.
Blue Dwarf
A predicted future fate for some red dwarfs.
Quark Star
A neutron star compressed into quark matter.
Strange Star
A star made of strange quark matter.
Boson Star
A self-gravitating cloud of bosonic particles.
Preon Star
An ultra-dense star of sub-quark particles.