Parallel universe

Parallel universe may refer to:

Science (physics and cosmology)

• Multiverse, the set of multiple universes
• The many-worlds interpretation of quantum physics

Philosophy

• Possible world, a construct in metaphysics to bring rigor to talk of logical possibility
• Modal realism, an account of possible worlds according to which they are all just as real as the actual world

Fiction

• Parallel universe (fiction), alternative universes, worlds, realities and dimensions in fiction
• Alternate universe (fan fiction), fiction by fan authors that deliberately alters facts of the canonical universe written about
• List of fiction employing parallel universes

Music

• Parallel Universe (4hero album), the second album by the drum and bass group 4hero
• Parallel Universe (Garnet Crow album), the eighth studio album by Japanese group Garnet Crow
• "Parallel Universe" (song), a 1999 song by the Red Hot Chili Peppers
• Parallel Dimensions (album), a 2008 album by Perseo Miranda

Literature, film, & television

• Parallel universe (fiction), a self-contained separate world, universe or reality coexisting with the real world, which is used as a recurring plot point or setting used in fantasy and science fiction
• "Parallel Universe" (Red Dwarf), a 1988 episode of Red Dwarf
• Parallel Universes (film), a 2001 BBC/Horizon documentary film
• Mirror Universe (Star Trek), a fictional parallel universe in which several Star Trek television episodes take place

Other

• Parallel Universe (company), a film company
• Probable worlds, a spiritualistic account of probable worlds as alternatives to the focus world

See also

• Metaverse, a collective virtual shared space
• Multiverse (disambiguation)
• Parallel World (disambiguation)