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  1. Huge and colourful crab patrols the beach in Galapagos islands

    Huge and colourful crab patrols the beach in Galapagos islands

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  2. With 65 times the mass of the Sun, how did humans observe the first image of a black hole

    With 65 times the mass of the Sun, how did humans observe the first image of a black hole

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