![](https://www.nasa.gov/sites/default/files/thumbnails/image/pia21901-1041.jpg)
Saturn’s rings, made of countless icy particles, form a translucent veil in this view from NASA’s Cassini spacecraft. via NASA http://ift.tt/2D7ntZe
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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