![Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo](https://images.theconversation.com/files/414220/original/file-20210802-18-817kht.jpg?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo
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Moon's magnetic field disappeared a BILLION years ago after its 'internal dynamo' stopped | Daily Mail Online
![Magnetic field strength of the Moon at 30 km altitude from the 0.5 ∘... | Download Scientific Diagram Magnetic field strength of the Moon at 30 km altitude from the 0.5 ∘... | Download Scientific Diagram](https://www.researchgate.net/profile/Mark-Wieczorek-2/publication/313538569/figure/fig1/AS:757962897387520@1557723845168/Magnetic-field-strength-of-the-Moon-at-30-km-altitude-from-the-05-gridded-data-of_Q640.jpg)
Magnetic field strength of the Moon at 30 km altitude from the 0.5 ∘... | Download Scientific Diagram
![Moon's now-defunct magnetic field 'protected Earths from solar storms' 4 billion years ago | Daily Mail Online Moon's now-defunct magnetic field 'protected Earths from solar storms' 4 billion years ago | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/10/14/15/34386076-0-image-a-3_1602687105393.jpg)