Thursday, 3 February 2022

R Aquarii: An Expanse of Light


This object is, in fact, a pair: a white dwarf star that steadily burns at a relatively cool temperature and a highly variable red giant. via NASA https://ift.tt/PNOsocXmL

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Robot Gets a Grip

The blue tentacle-like arms containing gecko-like adhesive pads, attached to an Astrobee robotic free-flyer, reach out and grapple a "...