The Earth Does Not Just Spin, It Shakes And Wobbles.
Well, the ground beneath our feet seemed stable enough and we don’t even feel the Earth spinning around the Sun at 18.5 miles per sec (30 km/sec). That would just sweep us off our feet immediately resulting in our terminal outcome physiologically, if not for gravity. Occasionally, we do feel the ground beneath us shake or move, depending where we live. How does everything keep together on our beloved planet as it quakes and shakes, and wobbles and totters its way around the Sun each day? This article explains in plain language the causes and outcomes.
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