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abstraction > mathematical concept > number > quantity > velocity > peculiar velocity > solar motion > solar rotation |
solar rotation comparison table |
Subject | has base unit | is a kind of | has definition |
---|---|---|---|
differential rotation | rotation | As an object rotates, different parts of it may move at different rates. The Galaxy rotates differentially. | |
solar motion | length per unit time | peculiar velocity | The velocity of the Sun through space, relative to the local standard of rest. The solar motion is U = -9 kilometers per second, V = +12 kilometers per second, and W = +7 kilometers per second. |
solar rotation | length per unit time | differential rotation | Differential rotation, the equatorial rotation taking less time than the polar by up to 9.4 Earth-days. |
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