A mysterious antigravity force is accelerating the expansion of the universe.
If it continues for billions or trillions of years, the universe will inevitably reach a big freeze similar to the blizzard foretelling the twilight of the gods, ending all life as we know it. This antigravity force pushing the universe apart is proportional to the volume of the universe. Thus, the larger the universe becomes, the more antigravity there is to push the galaxies apart, which in turn increases the volume of the universe. This vicious cycle repeats itself endlessly, until the universe enters a runaway mode and grows exponentially fast.
Status:: #wiki/notes/mature
Plantations:: Cosmology
References:: Parallel Worlds