A Deep Space Industries concept for a spacecraft that could retrieve space resources from the surface of an asteroid. Credit: Bryan Versteeg / DSI
Planetary Resources CEO Chris Lewicki, left, greets Prince Guillaume, the hereditary grand duke of Luxembourg, during an April 13 visit to Seattle. The visit followed an April 12 stop in Silicon Valley. Credit:  Jean-Christophe Verhaegen via Spaceresources.lu
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