Sagittarius A* is the supermassive black hole at the center of the Milky Way. Posting this vid for those of you who don't mind feeling REALLY small today :).
Sag A* is the center piece later in the Semper Mars (USMC based military SciFi) series. The description of the space around Sag A* is remarkably accurate - as far as we can determine so far.
Space
Science
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