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The Armillary sphere # History | spherical astrolabe, long employed in medieval Islamic astronomy, was introduced to Europe by Gerbert d ' Aurillac, later Pope Sylvester II.
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Armillary and sphere
# REDIRECT Armillary sphere
* Portugal – Belém Tower, Armillary sphere
* Portugal – Armillary sphere, The five Quinas ( escutcheons ), Cross of the Order of Christ
* Armillary sphere
* Armillary sphere
Jost Bürgi and Anton Eisenhoit | Antonius Eisenhoit: Armillary sphere with astronomical clock, made 1585 in Kassel, now at Nordiska Museet in Stockholm
Armillary sphere diagram
The Armillary sphere in Geneva
# REDIRECT Armillary sphere
* Armillary sphere
A summary is in Zhang Heng's article Armillary sphere.
* Deer's eye t. 7 Incinerated city ( Miasto spopielone, 2011 ) has been canceled due to the story's closure in a previous book Armillary sphere
* Armillary sphere
* Armillary sphere, a physical model of the celestial sphere
* The symbol of Salazar's Portuguese Estado Novo regime was a stylized version of the Armillary sphere and shield found on the national flag ; its rivals in the Movimento Nacional-Sindicalista used the Order of Christ Cross.
Jost Bürgi and Anton Eisenhoit | Antonius Eisenhoit: Armillary sphere with astronomical clock, made 1585 in Kassel, now at Nordiska Museet in Stockholm
Armillary sphere on roof
Armillary and was
" Essentials of a New Method for Mechanizing the Rotation of an Armillary Sphere and a Celestial Globe "), written in 1092, was the final product of his life's achievements in horology and clockwork.
Armillary and by
* Armillary spheres, models of objects in the sky developed by the Greeks, are in use as teaching tools.
Armillary spheres were developed by the Greeks and were used as teaching tools already in the 3rd century BCE.
Armillary and .
The Crown of João VI and the Sceptre of the Armillary.
Armillary spheres were among the first complex mechanical devices.
" Reconstruction of the Armillary Spheres of Mid-Chosun: The Armillary Clocks of Yi Minchol.
He is often shown flying in the sky riding on the Wind Fire Wheels (), has the Universe Ring () around his body ( sometimes in his left hand ), the Red Armillary Sash () around his shoulders and a Fire-tipped Spear () in his right hand.
Jennewein's work received some attention when his Noyes Armillary Sphere disappeared during a riot in Washington, D. C. in the turbulent 1960s.
sphere and #
# Equality of rights, the sphere of legislation and the judiciary
# Fraternity in the economic sphere
# REDIRECT Dyson sphere
# The sale of local produce, e. g. palm kernels, to Europeans opened up a new sphere of economic activity ; in particular it crated an increased demand for agricultural labour ; slavery was a way of mobilising an agricultural work force.
A two-dimensional 3D projection # Perspective projection | perspective projection of a sphere
# The points on the sphere are all the same distance from a fixed point.
# The contours and plane sections of the sphere are circles.
# The sphere has constant width and constant girth.
# All points of a sphere are umbilics.
# The sphere does not have a surface of centers.
# All geodesics of the sphere are closed curves.
# Of all the solids having a given volume, the sphere is the one with the smallest surface area ; of all solids having a given surface area, the sphere is the one having the greatest volume.
# The sphere has the smallest total mean curvature among all convex solids with a given surface area.
# The sphere has constant mean curvature.
# The sphere has constant positive Gaussian curvature.
# The sphere is transformed into itself by a three-parameter family of rigid motions.
# Selection of a model for the shape of the Earth or planetary body ( usually choosing between a sphere or ellipsoid ).
# Start with a sphere.
# Bend each strip and attach the other end of each strip to the sixth opposite the first end, so that the inside of the sphere at one end is connected to the outside at the other.
# a sphere: used in: Association football ( also called soccer in some countries ) and Gaelic football
# The sticky mass is then formed into various shapes ( usually a sphere or cube ).
# REDIRECT celestial sphere
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