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NTNU Java: Relative Motion (frame of reference) Feature Summary

Physics in Your World
Relative Motion & Frame of Reference
This photo (high-res version) reveals that the stars in the night sky seem to spin around in one direction in space. But as any textbook will tell you, Earth does the spinning, which can be shown in the lab by the rotation of the plane of swing of the Foucault pendulum (see From Physics Research).
image credit: "Lost Coyote"; <a href="" target="_blank">image source</a>
image credit: "Lost Coyote"; image source
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December 1, 2007 - December 16, 2007