Best science and technology pictures of the week

News imageScience Photo Library Photographer and diver Alexander Semenov documented lion's mane jellyfish in the freezing waters of the White Sea, north-west Russia. (Copyright: Science Photo Library)Science Photo Library
Photographer and diver Alexander Semenov documented lion's mane jellyfish in the freezing waters of the White Sea, north-west Russia. (Copyright: Science Photo Library)

The most amazing pictures from the past seven days – featuring beauty under the sea, giant drilling machines and the hypnotic motion of a space telescope.

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