The Electric Universe is a companion theory of the Plasma Universe, the theory promoted by plasma physicist Hannes Alfvén to highlight the importance of plasma, and its properties throughout the Universe.
| Electric Universe | Plasma Universe | |
| Premise: | Electricity is significant in the dynamics of the Universe | Plasma is significant in the dynamics of the Universe |
| Notable quote: | “The thunderbolt steers the course of all things” — Heraclitus of Ephesus (540–475 BC) |
“In order to understand the phenomena in a certain plasma region, it is necessary to map not only the magnetic but also the electric field and the electric currents” — Hannes Alfvén (1908-1995) |
| Sun & stars | Electrically powered externally: The Electric Sun theory |
Z-pinch and plasma focus |
| Surface features | Electrical scarring via electric discharge machining |
Plasma negatively charge dust, grains and surfaces sometimes causing sputtering |
| Comets | Interact with electrified plasma | Interact with electrified plasma |
| Science | Some peer-reviewed, and more popular texts | Peer-reviewed |