![](https://www.nasa.gov/sites/default/files/thumbnails/image/bd20307_fnl_lynettecook_0.jpg)
This artist’s concept illustrates a catastrophic collision between two rocky exoplanets, turning both into dusty debris. via NASA https://ift.tt/2sY0Plt
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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