Aurora Polaris
From LoveToKnow 1911
AURORA POLARIS (Aurora Borealis and Australis, Polar Light, Northern Lights), a natural phenomenon which occurs in many forms, some of great beauty.
Also called aurora polaris, northern lights . auroral zone A roughly circular band around either geomagnetic pole above which there is a maximum of auroral activity. It lies about 10 to 15° of geomagnetic latitude from the geomagentic poles.
For this reason some scientists call it a "polar aurora" (or "aurora polaris").
therefore to think that the greater part of the material masses in the universe is found, not in the solar [sic] systems or nebulae, but in "empty" space.' (See "Polar Magnetic Phenomena and Terrella Experiments", in The Norwegian Aurora Polaris ...
 See also: Sun, Earth, Rays, Light, Aurora
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