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Uncover the science behind the Doppler Effect, where the frequency of sound or light changes based on the movement of the source and observer. Learn how this phenomenon explains the changing pitch of a passing siren and the redshift of distant stars in the universe.
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O diagrama de Hubble foi criada em 1929, a partir da análise das velocidades radiais de galáxias, medidas pelo Slipher Vesto a partir de redshifts de linhas espectrais. Ela representa a velocidade de galáxias de acordo com a distância, ou em outras palavras, mais uma galáxia é longe de nós, mais parece se afastar rapidamente. É a partir deste estudo que o conceito de expansão do universo aparece. #física #astrofísica #matematica #estudantes
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