A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site SPACE AND TIME    • absolute space and time    • antigravity    • apparent horizon    • arrow of time    • babyverse    • background    • Big Bang    • black hole    • block universe    • Cauchy horizon    • causal structure    • causality    • causality loop    • chronology-violating spacetime    • chronology horizon    • chronon    • chronology protection conjecture    • closed timelike path    • cosmic censorship    • cosmological constant    • cosmological model    • curvature    • curvature tensor    • dark energy    • dark matter    • diffeomorphism    • differential geometry    • dimension    • Einstein-Rosen bridge    • elliptical geometry    • elsewhere    • energy density    • equivalence principle    • ergosphere    • Euclidean geometry    • Euclidean space    • event    • event horizon    • faster-than-light travel    • field theory    • Flatland    • fourth dimension    • frame of reference    • FTL (faster-than-light)    • future lightcone    • general theory of relativity    • geodesic    • Gödel universe    • Gott loop    • Grandfather Paradox    • gravity    • gravitational lens    • gravitational wave    • hidden dimensions    • higher dimensions    • hyperbolic geometry    • hypercube    • hyperspace    • hypersphere    • imaginary time    • inertial reference frame    • Kaluza-Klein theory    • Kerr black hole    • Klein bottle    • Lense-Thiring effect    • light cone    • Lorentz contraction    • metric    • Michelson-Morley experiment    • Minkowski space    • mirror reversal problem    • Möbius band    • naked singularity    • negative mass    • no boundary condition    • non-Euclidean geometry    • parallel universe    • Penrose diagram    • Planck length    • Planck time    • polytope    • principle of equivalence    • principle of relativity    • quantum dimensions    • quantum gravity    • realm    • reflexible    • Reissner-Nordstrom black hole    • relativistic    • relativistic effects    • relativity theory    • rest mass    • Riemannian geometry    • Schwarzschild black hole    • Schwarzschild radius    • singularity    • space    • spacetime    • special theory of relativity    • speed of light    • supermassive black hole    • tachyon    • tesseract    • time    • time dilation    • time machine    • time travel    • topology    • Twins paradox    • two-dimensional worlds    • Van Stokum cylinder    • warp drive    • weight    • white hole    • worldline Related categories    • COSMOLOGY    • GEOMETRY    • PARTICLE PHYSICS    • TIME MEASUREMENT AND PUZZLES Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP