Tag: Galaxy rotation curves

• Dark Matter and Dark Energy: 95% of the Universe Has Only a Name So FarGalaxy rotation curves and cluster virial masses force dark matter upon us; Type Ia supernovae force dark energy. We check the 4.9 / 26.4 / 68.5 percent cosmic budget by hand.PhysicsCosmologyHigh school / generalDark matterDark energyCosmological constantGalaxy rotation curvesAccelerating expansion~18 min