![](https://www.nasa.gov/sites/default/files/thumbnails/image/casa_streams_lg.jpeg)
When a massive star collapsed in the Cassiopeia constellation, it generated a supernova explosion with some of the fastest shockwaves in the Milky Way. via NASA https://ift.tt/Camnbxw
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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