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Por que a Via Láctea aparece para nós como uma faixa no céu, e não num desenho galáctico completo? A resposta é simples, mas muda totalmente a forma como enxergamos o Universo: nossa galáxia é como um disco achatado, ou um prato, com centenas de bilhões de estrelas. O detalhe é que nós não estamos vendo sua aparência de fora, pois estamos dentro dela, em um dos seus braços espirais. Então, quando olhamos ou registramos o céu numa noite bem escura, o que vemos é a borda desse disco. E como estamo
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Belo zoom na galáxia de Andrômeda usando dados do Telescópio Espacial Hubble, a galáxia começa como uma pequena fumacinha no céu e depois o Hubble nos leva a ver estrelas individuais na galáxia, algo realmente impressionante!!!
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