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Earth's magnetic poles are swapping - ABC Breakfast News TV

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Earth's magnetic poles are swapping - ABC Breakfast News TV

Alan Duffy

Some huge stories this week (which I covered in theconversation as well as ABC Breakfast News) on ESA's Swarm satellites measuring the pulsing of the Earth's magnetic field, it's so called magnetic heartbeat. This then lead on to the topic of the magnetic poles swapping places (always a startling fact!) and then the measurements from Australian rocks that a younger Earth had a thinner atmosphere than today when we always had assumed it must have been thicker... These stories were so huge that the fact we found 1284 planets around other stars by NASA's Kepler satellite was left to the end!