spacetime continuum
Relativistic unified framework
Spacetime continuum is the four-dimensional framework combining three spatial dimensions with time, treated as a unified whole rather than separate entities.
Einstein's relativity established that space and time are interconnected—mass warps spacetime, and motion affects the passage of time.
In popular usage, the term appears in science fiction contexts involving time travel or dimensional rifts: We can't risk tearing the spacetime continuum.
- black holeCollapsed star's remnant
- time dilationClocks slow at speed
- twin paradoxRelativistic age discrepancy scenario
- general relativityGravity as curved spacetime
- theory of relativityPhysics of spacetime and gravity
causality · manifold · presentism · curvature · singularity · event horizon · spacetime · wormhole · geodesic · speed of light · Einstein · ripple · Back to the Future · temporal · gravitational waves · flux · fabric · gravity
spacetime continuumabsolute time
Time flowing uniformly everywhere
spacetime continuumnon-existence
Absence of any reality
nothingness · the void · void · primordial chaos · timelessness