Definition of sidereal in English:
Of or with respect to the distant stars (i.e., the constellations or fixed stars, not the sun or planets).
- Fixed stars continued to be used as reference points throughout the Middle Ages, and even Copernicus measured positions in a sidereal zodiac beginning from the fixed star Mesartim.
- Slightly brighter today is Alpherg, which is taken as the starting point for the sidereal zodiac.
- In the first sphere across the zodiac we see twelve sidereal animals.
Definition of sidereal in:
- British & World English dictionary
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