A small team of astronomers at Université Côte d'Azur, Observatoire de la Côte d'Azur, working with a colleague from MCCE, Observatoire de Paris, Sorbonne Université, has found more evidence that the moon has an inner core similar to Earth's. In their study, reported in the journal Nature, the group analyzed data from a wide variety of sources and used it to create models depicting the inner parts of the moon