Space Why Do NASA Space Shuttles Look So Dirty? February 25, 2011February 24, 2011 0 Comments NASA’s space shuttles aren’t the gleaming spaceships you might think. URL: http://feedproxy.google.com/~r/spaceheadlines/~3/ZDsRvTXmKtY/9397-mystery-solved-nasa-space-shuttles-dirty.html