Se a Terra tivesse um sistema de anéis há 446 milhões de anos, isso poderia fornecer uma explicação para as crateras de impacto encontradas no registo geológico. Além disso, poderia esclarecer um acontecimento climático invulgar durante esse período. Crédito da imagem: ANDREI SALAUYOU/max dallocco/Shutterstock.com, modificado por IFLScienceUma nova investigação sugere que se formou um...
Impressão artística dos anéis de Quaoar. Crédito: Observatório de ParisPesquisadores descobriram um novo sistema de anéis em torno de um planeta anão na borda do sistema solar. Portanto, o sistema de anéis orbita muito mais longe do que é normal para outros sistemas de anéis, questionando os conceitos atuais de como os sistemas de...
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