Example image of eyePlorer eyePlorer map for 'Ultimate fate of the universe': Physical cosmology Science fiction Albert Einstein General relativity Alexander Friedmann Friedmann equations Metric expansion of space Cepheid variable Edwin Hubble Georges Lemaître Fred Hoyle Steady State theory Arno Allan Penzias Cosmic microwave background radiation Robert Woodrow Wilson Shape of the Universe Galaxy Spacetime Star Dust solution Accelerating universe Supernova Dark energy Equation of state (cosmology) Graphical timeline of the Big Bang Elliptic geometry Big Crunch Hyperbolic geometry Big Rip Electromagnetism Future of an expanding universe Gravitation Heat death of the universe Weak interaction Cosmological constant Euclidean geometry Bose–Einstein condensate Fermion Quasiparticle Entropy Information processing Hubble's law Phantom energy Elementary particle 1 E19 s and more Gravitational singularity Quantum gravity Oscillatory universe Second law of thermodynamics Cyclic model