Added 1 new A* page:The nifty University of Nottingham-based "Sixty Symbols" series of science videos has just uploaded a video about supermassive black holes. It's a pretty good overview of what they are, and they talk about Sagittarius A* specifically—the one at the center of our galaxy, around which this webcomic is set (at a generous relatively safe distance, mind you)—starting at the 5:50 mark. This is actually the second (and latest) video they've done in a new themed series dedicated to black holes; the first one covers black holes in general. Sixty Symbols has also covered many aspects of black holes in other videos before this new series; they have them all conveniently catalogued in a playlist.
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