European Space Agency astronaut/NEEMO 16 aquanaut <a href="https://en.wikipedia.org/wiki/Timothy_Peake" class="extiw" title="en:Timothy Peake">Tim Peake</a> prepares to anchor so he has a stable platform from which to gather samples.  The NEEMO 16 crew is simulating techniques to be used by astronauts on a future mission to a near-Earth asteroid.  NASA photo in public domain.
NASA
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