Kwai Logo
Kwai User Avatar
Redshift é uma ferramenta fundamental para medir o universo. Como os astronomos geralmente conseguem determinar qual comprimento de onda veriam de perto, eles podem dizer a que distância uma galáxia está pela quantidade de variação da luz. Galáxias distantes têm toda a sua luz visível deslocada para infravermelho. #astronomy
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