Source: http://sploid.gizmodo.com/this-is-a-grain-of-interstellar-stardust-1573047996/+caseychan
This is a grain of interstellar dust. To get one of these, your best bet is to get into a spaceship for a couple hundred years and get close enough to a red giant star, near its atmosphere. That's where they're formed and ejected into space. Or, like NASA, you can create a machine to make one from scratch—for the first time ever.
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