NASA 50th Anniversary Commemorative Coin Act

NASA 50th Anniversary Commemorative Coin Act - Directs the Secretary of the Treasury, in commemoration of the 50th anniversary of the establishment of the National Aeronautics and Space Administration (NASA), to mint and issue $50 gold and $1 silver coins emblematic of the 50 years of exemplary and unparalleled achievements of NASA.

Requires all such coin sales to include a surcharge of: (1) $50 per $50 coin; (2) $10 per $1 coin; and (3) $1 per coin for any bronze duplicate.

Requires distribution of the first $4 million to the NASA Family Assistance Fund for financial assistance to the families of NASA personnel who lose their lives as a result of injuries suffered in the performance of their official duties.

Requires distribution of: (1) one-half of the next $1 million of the remaining amounts to each of the Dr. Ronald E. McNair Educational (D.R.E.M.E.) Science Literacy Foundation and the Challenger Center for Space Science Education; and (2) the remainder to the Secretary of the Smithsonian Institution for the preservation, maintenance, and display of space artifacts at the National Air and Space Museum (including the Steven F. Udvar-Hazy Center).

Authorizes the Secretary to strike and sell bronze duplicates of the $50 gold coins.