Earth's magnetic field protects life on Earth from radiation, but it can move, and the magnetic poles can even flip - Yahoo News

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Earth's magnetic field protects life on Earth from radiation, but it can move, and the magnetic poles can even flip (https://news.google.com/rss/articles/CBMiSWh0dHBzOi8vbmV3cy55YWhvby5jb20vZWFydGhzLW1hZ2 5ldGljLWZpZWxkLXByb3RlY3RzLWxpZmUtMTM0MDM5OTI3Lmh0 bWzSAQA?oc=5) Yahoo News

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