Tag: Dark matter
- 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
- Unsolved Problems in Physics: 95% of the Cosmos Still Has Only a NameDark matter, dark energy, inflation and quantum gravity: four open problems of modern physics, traced through the arithmetic of rotation curves and the critical density.PhysicsPhysics ColumnsHigh school / generalDark matterDark energyInflationQuantum gravityCosmology~30 min
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