First selfie from space goes up for auction
Astronauts captured some of the brightest moments of space exploration with their own photos. Now, what's being called the most comprehensive private collection of NASA photographs ever presented, chronicling major moments in NASA's history — part of a collection of 2,400 original vintage photos called "Voyage To Another World — were auctioned this week by Christie's. Correspondent Imtiaz Tyab takes a look.