Vacuum Energy

+**Vacuum Energy** (slug: vacuum_energy)

+Vacuum energy is the fundamental energy permeating all of space, even when seemingly empty. It is a manifestation of [Zero-point Energy](/wiki/Zero-point_Energy) from quantum fields, believed to contribute to the observed [Cosmic Expansion](/wiki/Cosmic_Expansion) of the universe. Though vast, its precise value remains one of physics' great mysteries.

+## See also

+- [Dark Energy](/wiki/Dark_Energy)

+- [Cosmological Constant](/wiki/Cosmological_Constant)