Cosmologically speaking, Earth's luck ran out in an eye blink. In another million years or so, humanity could have had the technology to shield its cradle from an imminent gamma-ray burst. Or humans might already have spread out among the stars -- safe, as a species, from any less-than-galactic-scale disaster. Too bad we didn't get that million years. And too bad, with humanity teetering on the brink of extinction, the few desperate survivors on Dark couldn't leave behind their conflicts ...
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