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Earth’s magnetic field weakens every 200 million years, new study says – ROOM Space Journal

A new study using a special paleomagnetic analysis of ancient lava rocks from Scotland, adds further evidence to the idea that…

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An analysis of rock samples from ancient lava flows in Eastern Scotland has provided further evidence that Earths magnetic field weakens in strength approximately every 200 million years; a finding which has implications for life on our planet.
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