The most impressive pictures from the worlds of science and technology this week, from a water-bombing helicopter to a desperate whale rescue.
Futuristic dancers and swirling stars
Sci-fi balloons and hungry whales
Robot giraffe and double tornado
Supersonic selfie and eerie rivers
A brooding storm and a Super Earth
Roaring rockets and an Earth selfie
Chinese lightning and rocking robots
Fire bombing and huggy bears
Blazing skies and moody twisters
Amazing air displays and breathtaking nature
Plane trails and tadpole stars
Volcanic plumes and home-made tanks
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