For decades, a lunar whodunit has puzzled scientists: Did the Moon’s internal layers flip during its formation? Old data might hold the evidence to solve this cold case.

Javier Barbuzano
Javier Barbuzano is a freelance science journalist based in Barcelona, Spain. He received his master’s in science journalism from Boston University in 2017 and holds a degree in environmental science from the University of Granada in Spain. His work appears in publications like Eos, Sky & Telescope, and El País.
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