Millimeter deviations from the expected wobble of the Earth's axis are giving geophysicists clues to what happens 1,800 miles underground, at the boundary between the Earth's mantle and its iron core.
Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Every 8.5 years or so, the Earth emits a signal—the result of a “wobble” occurring in ...
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A more precise measure of Earth's wobble
Recently, the results of a 250-day experiment to refine a particular motion of our planet were published in the journal Science Advances. Lead author K. Ulrich Schreiber from the TUM Institute of ...
If you feel like there's less time in the day, you're correct. Scientists recorded the shortest day on Earth since the invention of the atomic clock. Other WRAL Top Stories Our planet's rotation ...
Regular readers of my column certainly know how to use the Big Dipper to find the North Star (aka Polaris). Some folks believe Polaris is important because it’s the brightest star in the heavens, and ...
A 250-day experiment using a ring laser achieved unprecedented accuracy in measuring Earth's axial wobble (nutation and precession), surpassing previous gyroscope and ring laser technologies by a ...
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