sidereal :

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  • a  of or relating to the stars or constellations
    sidereal bodies
    the sidereal system
  • a  (of divisions of time) determined by daily motion of the stars
    sidereal time

  • For example, asks Cornell Astronomer Thomas Gold: "Did Hewish first recognize that the signals were of a sidereal nature coming from a source that rises and sets each day .
  • Far out on the sea of space sluggish Uranus, wallowing along on the track that takes it 84 years to circumnavigate the sun, rocked in its sidereal course.
  • Set in motion shortly before Christmas by Denmark's King Frederik IX, the clock is expected to run steadily for more than 1,000 years, deviating in its measurement of sidereal time .
News & Articles

  • UU Fellowship to discuss time
    MASON CITY | The Unitarian Universalist Fellowship of North Central Iowa will discuss the topic "Day, Year, Solar and Sidereal Time" on Sunday, March 22.
    March 22, 2014 - The Globe Gazette

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