Hypothetical Object
Naked Singularity
A singularity without a covering event horizon.
A gravitational singularity not hidden behind an event horizon. The cosmic censorship conjecture argues nature forbids them, but it remains unproven.
Overview
A gravitational singularity not hidden behind an event horizon. The cosmic censorship conjecture argues nature forbids them, but it remains unproven.
See also
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.
Boson Star
A self-gravitating cloud of bosonic particles.