I was reading the text that went along with this NASA Image of the Day (quoted below), and what came to mind was… the above. Or maybe this:

Anyway, here’s the quote that inspired this post (emphasis mine):

Reflecting on his experience as he emerged from the craft into the daylight on the Expedition 24 mission’s second spacewalk, astronaut Doug Wheelock said “the colors of the Earth just explode at you as you exit toward the planet. Notice what looks like scorch marks on the hatch thermal cover, the effect of vacuum and atomic oxygen on the threads and thread sealant used on the thermal cover. The ‘smell’ of space follows suit, I’ve heard it described like burnt cake or cookies, or like the smell of an extinguished match.”

And the photo it went with: