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|Look up sidereal in Wiktionary, the free dictionary.|
Sidereal may refer to:
- Measurements of time:
- Sidereal period of an object orbiting a star
- Sidereal and tropical astrology
- Sidereus Nuncius, or Sidereal Messenger, a scientific work by Galileo Galilei
disambiguation page lists articles associated with the title Sidereal.
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