Moon’s magnetic crust research sees scientists debunk long-held theory — ScienceDaily

New international research into the Moon provides scientists with insights as to how and why its crust is magnetised, essentially ‘debunking’ one of the previous longstanding theories.

Australian researcher and study co-author Dr Katarina Miljkovic, from the Curtin Space Science and Technology Centre, located within the School of Earth and Planetary Sciences at Curtin University, explained how the new research, published by Science Advances, expands on decades of work by other scientists.

“There are two long term hypotheses associated with why the Moon’s crust might be magnetic: One is that the magnetisation is the result of an ancient dynamo in the lunar core, and the other is that it’s the result of an amplification of the interplanetary magnetic field, created by meteoroid impacts,” Dr Miljkovic said.

“Our research is a deep numerical study that challenges that second theory — the impact-related magnetisation — and it essentially ‘debunks’ it. We

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