Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo
- Written by John Tarduno, Professor of Geophysics, University of Rochester
Scientists have been studying lunar samples brought back from Apollo missions to understand the geologic history of the Moon. NASASurrounding Earth is a powerful magnetic field created by swirling liquid iron in the planet’s core. Earth’s magnetic field may be nearly as old as the Earth itself – and stands in stark contrast to...