Astronomical clock


a clock indicating or representing the movements of the sun or planets, the phases of the moon, or the sky visible at a given time, used as a means of establishing time or for additional information, as locating celestial bodies or timing their movement.
a clock used for observing the apparent time of the meridian p-ssages of heavenly bodies.
historical examples

the history of the 18th-century borghesi astronomical clock is described here from contemporary source material.
smithsonian inst-tution – united states national museum – bulletin 240 anonymous

this led, some years later, to perfecting an astronomical clock for measuring movements of the stars.
little journeys to the homes of the great – volume 12 elbert hubbard

the astronomical clock is the constant companion of the transit instrument.
letters on astronomy denison olmsted

poynet, bishop of winchester, gave an astronomical clock to the same king.
the privy purse expenses of king henry viii from november mdxxix, to december mdxxxii nicholas harris nicolas

the practical application of this idea he afterwards adopted in the construction of an astronomical clock.
the astronomy of milton’s ‘paradise lost’ thomas orchard

noun
a complex clock showing astronomical phenomena, such as the phases of the moon
any clock showing sidereal time used in observatories

Read Also:

  • Astronomical distance

    the distance from one celestial body to another, measured in astronomical units, light-years, or p-rs-cs.

  • Astronomical frame of reference

    a frame of reference in which the sun or center of m-ss of the universe is fixed and which does not rotate with respect to the fixed stars.

  • Astronomical refraction

    (def 3).

  • Astronomical telescope

    a telescope having an objective with a long focal length and an eyepiece with a short focal length, usually used for observing celestial bodies. historical examples kepler, in 1611, made the first astronomical telescope with two concave gl-sses. astronomical myths john f. blake one word about the inversion of objects by the astronomical telescope. half-hours […]

  • Astronomical triangle

    the spherical triangle formed by the great circles connecting a celestial object, the zenith, and the celestial pole.


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