Teasel Muir-Harmony, curator of the Apollo collection at the Smithsonian National Air and Space Museum, speaks during an event celebrating the 50th anniversary of the Apollo 17 mission, Wednesday, Dec. 14, 2022, at the National Academies of Science in Washington. The three-astronaut crew of Apollo 17 - commander Eugene Cernan, lunar module pilot Harrison Schmitt, and command module pilot Ronald Evans, embarked on the last mission of the Apollo program to land humans on the Moon in December of 1972. Cernan and Schmitt spent three days on the lunar surface collecting samples and performing scientific experiments before lifting off from the Taurus-Littrow Valley on December 14, 1972. Photo Credit: (NASA/Joel Kowsky)

Teasel Muir-Harmony, curator of the Apollo collection at the Smithsonian National Air and Space Museum, speaks during an event celebrating the 50th anniversary of the Apollo 17 mission, Wednesday, Dec. 14, 2022, at the National Academies of Science in Washington. The three-astronaut crew of Apollo 17 - commander Eugene Cernan, lunar module pilot Harrison Schmitt, and command module pilot Ronald Evans, embarked on the last mission of the Apollo program to land humans on the Moon in December of 1972. Cernan and Schmitt spent three days on the lunar surface collecting samples and performing scientific experiments before lifting off from the Taurus-Littrow Valley on December 14, 1972. Photo Credit: (NASA/Joel Kowsky)

Teasel Muir-Harmony, curator of the Apollo collection at the Smithsonian National Air and Space Museum speaks during an event celebrating the 50th anniversary of the Apollo 17 mission, Wednesday, Dec. 14, 2022, at the National Academies of Science in Washington. The three-astronaut crew of Apollo 17 - commander Eugene Cernan, lunar module pilot Harrison Schmitt, and command module pilot Ronald Evans, embarked on the last mission of the Apollo program to land humans on the Moon in December of 1972. Cernan and Schmitt spent three days on the lunar surface collecting samples and performing scientific experiments before lifting off from the Taurus-Littrow Valley on December 14, 1972. Photo Credit: (NASA/Joel Kowsky)

Teasel Muir-Harmony, curator of the Apollo collection at the Smithsonian National Air and Space Museum, speaks during an event celebrating the 50th anniversary of the Apollo 17 mission, Wednesday, Dec. 14, 2022, at the National Academies of Science in Washington. The three-astronaut crew of Apollo 17 - commander Eugene Cernan, lunar module pilot Harrison Schmitt, and command module pilot Ronald Evans, embarked on the last mission of the Apollo program to land humans on the Moon in December of 1972. Cernan and Schmitt spent three days on the lunar surface collecting samples and performing scientific experiments before lifting off from the Taurus-Littrow Valley on December 14, 1972. Photo Credit: (NASA/Joel Kowsky)