The rocket bodies from Apollo 13, 14, 15, 16, and 17 were all deliberately crashed on the Moon, so the seismometers left by the astronauts could measure what happened. From this data we learnt that the Moon had a crust, mantle and core. 🧪 🔭 #PlanetSci

Moon Composition - NASA ScienceThe Moon is a differentiated world. This means that it is made of layers with different compositions. The Moon has a core, mantle, and crust.science.nasa.gov