![](https://www.nasa.gov/sites/default/files/thumbnails/image/stsci-h-p1816a-f-16x9.png)
Galaxies and dark matter go together like peanut butter and jelly. Rarely is one without the other. via NASA https://ift.tt/37TbiQ3
The blue tentacle-like arms containing gecko-like adhesive pads, attached to an Astrobee robotic free-flyer, reach out and grapple a "...
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