What year was this photograph taken? Study it, then reveal the answer below — or play it as a round and see how much HP you keep.
The STS-31 crew of five included (left to right) Charles F. Bolden, pilot; Steven A. Hawley, mission specialist; Loren J. Shriver , commander; Bruce McCandless, mission specialist; and Kathryn D. Sullivan, mission specialist. Launched aboard the Space Shuttle Discovery on April 24, 1990 at 8:33:51am (EDT), the primary payload was the Hubble Space Telescope. This was the first flight to use carbon
