Best science and technology pictures of the week

News imageGetty Images Dead fish floating on the waters of the Rodrigo de Freitas lagoon, beside the Corcovado mountain in Rio de Janeiro. (Copyright: Getty Images)Getty Images
Dead fish floating on the waters of the Rodrigo de Freitas lagoon, beside the Corcovado mountain in Rio de Janeiro. (Copyright: Getty Images)

The most amazing pictures from the past seven days – featuring comets, the world’s largest astronomical project and a lagoon of death.

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