The electric current, in turn, creates its own magnetic field—one that ... which increases the field still further. This self-sustaining loop is known as the geomagnetic dynamo.
It is this magnetic field that has recently got NASA scientists on high alert following the identification of a 'dent' in the ...
As we approach solar maximum, something strange is happening to the sun's magnetic field. We explore this flip in polarity in ...
NASA has been monitoring a strange anomaly in Earth's magnetic field: a giant region of lower magnetic intensity in the skies ...
DC SQUID: A DC SQUID consists of two Josephson junctions connected in parallel in a superconducting loop. When an external magnetic field is applied, it induces a current in the loop, which is ...
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NASA Is Watching a Vast, Growing Anomaly in Earth's Magnetic Field"The magnetic field is actually a superposition of fields from many current sources," geophysicist Terry Sabaka from NASA's Goddard Space Flight Centre in Greenbelt, Maryland explained in 2020.
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