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Scientists on Arctic mission make no planned detour to pole

BERLIN (AP) – A German icebreaker accompanying scientists on a year-long international expedition in the high Arctic has reached the North Pole, after making an unplanned detour due to lighter-than-usual sea ice conditions. Expedition leader Markus Rex said on Wednesday that the RV Polarstern could reach the geographic North Pole …

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Mysterious gamma-ray ‘heartbeat’ discovered from cosmic gas cloud

A cosmic gas cloud has a mysterious gamma-ray “heartbeat” that appears in sync with a neighboring black hole. Using data from the Arecibo Observatory in Puerto Rico and NASA’s Fermi Gamma-ray Space Telescope, an international team of researchers found the ‘heartbeat’ in a cosmic gas cloud in the constellation Aquila, …

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