A new study analysing rock formations from 107,000 to 91,000 years ago has revealed something troubling: a strangely quick reversal of the Earth’s magnetic field in fairly recent history.
from gizmodo http://www.gizmodo.co.uk/2018/08/evidence-shows-earths-magnetic-field-once-flipped-quickly/
from gizmodo http://www.gizmodo.co.uk/2018/08/evidence-shows-earths-magnetic-field-once-flipped-quickly/
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