Michael’s Miscellany: Sidereal Time
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The basic unit of astronomical time measurement is the day, one rotation of Earth on its axis. But there is more than one way to define day. We can define it based on the Sun. One solar day is the time for the Sun to leave and return to your local meridian, the imaginary line that joins theContinue reading “Michael’s Miscellany: Sidereal Time”
The post Michael’s Miscellany: Sidereal Time appeared first on Astronomy Magazine.
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