tamanhos no universo
TRANSCRIPT
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Quão grandes são os objetos no universo?
Veja a comparação que será apresentada
a partir de um “grande” objeto: nossaprópria Lua.
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Tamanho da Terra
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Esta estrela (a VY Cão Maior) tem o diâmetro de aproximadamente 2.800.000.000 km.
Você poderia imaginar este tamanho?
Bem, se compararmos a Terra a uma moeda de 50 centavos (23 mm), esta maior estrela conhecida teria o diâmetro do estádio do Maracanã(5 km).
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Se pensarmos em um avião voando na superfície desta estrelaa 900 km/h (velocidade de um avião comercial), ele levaria nadamenos que 1.100 anos de viagem!
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No entanto, é apenas um pontinho minúsculo entre as várias
centenas de bilhões de estrelas que formam nossa galáxia.
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E ainda existem centenas de bilhões de galáxias!
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Definitivamente não: não somos o centro do Universo!