Van Allen Wore Suspenders
Van Allen Probes NASA’s twin satellite mission, the Van Allen Probes, have revealed a previously unknown third radiation belt encircling the Earth. The mission, launched in August of 2012, had been...
View ArticleWhich Way is North? Part 1
I recently read about a small Inuit village in northern Canada that will be included in the Google Street View displays available with Google Earth. Ikaluktutiak, or Cambridge Bay, is located at...
View ArticleWhich Way is North? Part 2
Earth’s Magnetic Field The Earth’s magnetic field, like a bar magnet, has a north and a south magnetic pole, with magnetic lines of force resembling meridians of longitude in that the magnetic lines...
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