As NASA, China, Russia and Elon Musk's SpaceX look forward to 2020 endeavors, we want to look back at space-exploration history and its collectible artifacts. From genuine moon rocks to freeze-dried spaghetti, space memorabilia can command astronomical prices, thanks in large part to its scarcity.
The most desirable items originate in the U.S. and former-Soviet Union space programs. And since most actual space-flown artifacts remain property of their respective governments, items that do enter the public orbit are incredibly desirable. So much so that major houses like Sotheby's and Bonham's regularly hold big-ticket space history auctions. There's even a website, CollectSpace.com, devoted to the hobby.
And now, without further delay, we're go for launch. "Let's light this candle!"