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As possibilidades de vida extraterrestre são um tópico fascinante na astrobiologia. Dada a vastidão do universo, com bilhões de galáxias e trilhões de estrelas, muitos cientistas consideram provável que a vida tenha surgido em outros lugares. No entanto, ainda não temos evidências conclusivas. Fatores que contribuem para a possibilidade de vida incluem a descoberta de exoplanetas na "zona habitável" de suas estrelas, onde as condições podem ser adequadas para água líquida, um ingrediente-chave
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A teoria do Grande Filtro, em astrobiologia, propõe que existe um "obstáculo" na evolução da vida que impede o surgimento de civilizações avançadas no universo. Se encontrássemos vida em Marte, isso teria implicações importantes para nossa compreensão do Grande Filtro: * Se encontrarmos vida simples em Marte: * Isso significaria que o surgimento da vida é relativamente comum no universo, já que teria ocorrido em dois planetas do nosso sistema solar.
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Descubra em 3 minutos a impressionante Niallia tiangongensis — uma bactéria inédita encontrada na estação espacial Tiangong. Neste vídeo explicamos onde foi achada, suas características , adaptações ao ambiente espacial e o que isso significa para missões de longa duração e biossegurança. Ideal para curiosos por ciência e astrobiologia que querem ent
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