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出典:Wikipedia
出典:『Wikipedia』 (2011/06/18 07:51 UTC 版)
The apparent sun is simply the true sun as seen by an observer on Earth (or whatever planet the observer is on). The term "apparent sun" is used in contrast to "mean sun" (which refers to an average of the sun's position), to correspond with the terms "apparent solar time" and "mean solar time".
apparent sun