![](https://www.nasa.gov/sites/default/files/thumbnails/image/a1758_lg.jpg)
Astronomers using data from NASA's Chandra X-ray Observatory and other telescopes have put together a detailed map of a rare collision between four galaxy clusters. via NASA https://ift.tt/32Upgx7
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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