the earth's magnetic field is shown in this diagram
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The Winter Solstice | Dogfoose.com (Michael Kline)

Today (December 21st, 2011) is the Winter Solstice, or shortest day of the year. Because of the axial tilt of our planet as it spins around the sun, this day marks the 24-hour period in which the Northern Hemisphere receives the least amount of sunlight, and coincidentally, warmth. Though the length of days will begin

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