The Secret Lives Of Invisible Magnetic Fields
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The secret lives of invisible magnetic fields are revealed as scientists from NASA's Space Sciences Laboratory excitedly describe their discoveries.
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Definitions of terms mentioned in the video:
corona: a type of plasma "atmosphere" of the Sun, extending millions of kilometres into space, most easily seen during an eclipse
solar wind: a stream of charged particles—a plasma—that are ejected from the upper atmosphere of the sun
solar cycle: the variation of sunspots, prominences, flares, and other solar activity through an 11-year cycle
photosphere: the luminous visible surface of the sun, being a shallow layer of strongly ionized gases
active region:  localized area of the Sun’s outer atmosphere where powerful magnetic fields (from subsurface layers) bring about various short-lived features

Note: Actual VLF (Very Low Frequency) audio recordings control the evolution of the fields as they delve into our inaudible surroundings, revealing recurrent ‘whistlers’ produced by fleeting electrons. Made by animating photographs, using sound-controlled CGI and 3D compositing.
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