This is the space suit worn by Apollo 17 commander Eugene Cernan, the last human being to set foot on the Moon.
Side note: I knew these suits were heavy. I had not realized how heavy. With 26 layers of material in the suit, a portable life-support system strapped on, and other mechanical systems attached, the whole thing weighed in at 185 pounds on Earth.
Maggie Koerth-Baker is the science editor at BoingBoing.net. She writes a monthly column for The New York Times Magazine and is the author of Before the Lights Go Out, a book about electricity, infrastructure, and the future of energy. You can find Maggie on Twitter and Facebook.