+Parallel worlds, or alternate realities, propose the existence of multiple, distinct [Realities](/wiki/reality) coexisting alongside our own. These unseen realms might diverge from different choices made, or represent other possible [Timelines](/wiki/timeline), each unfolding its own unique sequence of events.
+## See also
+- [Multiverse](/wiki/multiverse)
+- [Quantum Mechanics](/wiki/quantum_mechanics)
+- [Alternate History](/wiki/alternate_history)
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