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armilla

armilla Sentence Examples

  • armilla, a bracelet), an instrument used in astronomy.

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  • In its simplest form, consisting of a ring fixed in the plane of the equator, the armilla is one of the most ancient of astronomical instruments.

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  • The first was an equinoctial, the second a solstitial armilla.

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  • Eratosthenes (276-196 B.C.) used most probably a solstitial armilla for measuring the obliquity of the ecliptic. Hipparchus (160-125 B.C.) probably used an armillary sphere of four rings.

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  • Armilla >>

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  • ARMILLA, ARMIL or Armillary Sphere (from the Lat.

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  • armilla, a bracelet), an instrument used in astronomy.

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    0
  • In its simplest form, consisting of a ring fixed in the plane of the equator, the armilla is one of the most ancient of astronomical instruments.

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    0
  • The first was an equinoctial, the second a solstitial armilla.

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    0
  • Eratosthenes (276-196 B.C.) used most probably a solstitial armilla for measuring the obliquity of the ecliptic. Hipparchus (160-125 B.C.) probably used an armillary sphere of four rings.

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    0
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