Hubbles Blue Bubble : The distinctive blue bubble appearing to encircle WR 31a is a WolfRayet nebula an interstellar cloud of dust, hydrogen, helium and other gases. Created when speedy stellar winds interact with the outer layers of hydrogen ejected by WolfRayet stars, these nebulae are frequently ring-shaped or spherical.
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Original chess...
These two guys entered the metro from different stations and don’t even know each other. (via)
Guy accidentally hits the fap button on his mechanical arm…