The Apollo missions of the 1960s and 70s provided scientists with an exciting playground upon which to conduct experiments never performed in the history of humankind. They collected samples of rocks and soil, measured seismic data, took measurements of the lunar atmosphere and lunar crust. The high vantage point allowed astronauts to take photographs of celestial objects in spectral bands not seen from Earth. They played golf, drove a rover, conducted Galileo’s famous hammer and feather experiment, and even lobbed grenades.
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Astronaut Edgar D. Mitchell operates the Active Seismic Experiment's (ASE) thumper during the first Apollo 14 extravehicular activity on the moon. Photo: NASA
Source: amusingplanet.com