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Descoberto pela sonda LINEAR em 11 de setembro de 1999. O asteroide é o alvo da sonda OSIRIS-REx, que foi lançada em 2016. Em 20 de outubro de 2020 a sonda pousou no asteroide e coletou algumas amostras para um estudo aprofundado.  O asteroide possui potencial para atingir a Terra e está listado na Tabela de Risco Sentry. O seu nome se refere a Bennu, a antiga ave mitológica egípcia associada ao Sol, à criação e ao renascimento. #espaço #asteroide #planeta #Terra #colisão
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🌌 Cápsula com amostra do asteroide Bennu, de 2 bilhões de anos, está de volta à Terra A cápsula com solo do asteroide Bennu, cuja idade é estimada em cerca de dois bilhões de anos, regressou à Terra, informou a NASA. A sonda OSIRIS-REx foi até o asteroide em setembro de 2016. Especialistas acreditam que o asteroide pode conter moléculas semelhantes às que estiveram envolvidas na formação da Terra.
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