Hypothetical Object
Cosmic String
A one-dimensional defect left over from the early universe.
Hypothetical one-dimensional topological defects formed during phase transitions in the early universe, potentially producing gravitational lensing signatures.
Overview
Hypothetical one-dimensional topological defects formed during phase transitions in the early universe, potentially producing gravitational lensing signatures.
See also
Domain Wall
A two-dimensional cosmological defect.
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.
Strange Star
A star made of strange quark matter.