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ISS astronauts capture stunning 4K footage of Aurora Borealis

Astronauts on the International Space Station shared their view of the Auroras Borealis and Australis across the Earth in an ultra-high definition (UHD) 4K timelapse video published on 17 April. Nasa has partnered with technology company Harmonic since 2015 for a non-commercial UHD channel aimed at showing the“breathtaking beauty and grandeur of space.” Apr 19, 2016