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Cosmology

The origin, evolution and structure of the Universe, from the Big Bang to cosmic expansion, dark matter and dark energy.

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Grade curva do espaço-tempo se alarga de uma região luminosa inicial para um campo de galáxias, com setas indicando expansão cósmica.
Cosmology13/09/20267 min read

Can the Universe expand faster than light? What relativity actually limits

Yes. Cosmological distances can grow faster than light without matter or information locally exceeding c. Here is how inflation, recession, and horizons fit together.

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