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Celestial globes show the apparent positions of the stars in the sky. They omit the Sun, the Moon and planets because the positions of these bodies vary relative to those of the stars, but the ecliptic, along which the Sun moves, is indicated.
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What is a celestial globe?
Celestial globes were used to represent the stars and constellations of the night sky and record their positions with respect to each other and a co-ordinate system. They were also used as analogue computers to resolve problems involving the stars. In the most common form of celestial globe, a number of stars were marked on a sphere, and the constellation figures delineated. The sphere was mounted by its poles (corresponding to the celestial poles) on a metal circle, or meridian. The ecliptic and equator were marked and divided (into degrees) on the globe, to measure celestial longitude and right ascension. Declination was measured using divisions marked on the meridian. The globe was placed in a stand, which included a broad horizontal band, known as the horizon. The elevation of the pole of the globe above the horizon could be varied to adjust for the user's latitude. Once so adjusted, the rotation of the globe was analogous to the (apparent) diurnal rotation of the stars, for that latitude. Since the ecliptic and equator are marked, the globe could be used to work out the times of rising and setting of the stars, or the time of their culmination (the time when an object reaches its highest point in the sky). A celestial globe from the Whipple Museum.
What is the imaginary sphere on which all objects in the sky seem to be located?
The imaginary line around which the earth turns is its axis.
Who invented the seamless celestial globe?
Considered one of the most remarkable feats in metallurgy, the seamless globe was invented in Kashmir by Ali Kashmiri ibn Luqman in 998 AH (1589-90 CE), and twenty other such globes were later produced in Lahore and Kashmir during the Mughal Empire.
Who invented the first globe?
The earliest known globe was constructed by the scholar Crates of Mallus in Cilicia (now Çukurova in modern-day Turkey) around 150 BC. An ancient celestial globe that still exists was made about 150 AD as part of a sculpture, called the Farnese Atlas, in the Naples Museum, Naples, Italy.[1] The first globe of the Old World was constructed in the Muslim world during the Middle Ages.[2] The oldest existing terrestrial globe was made by Martin Behaim in Nürnberg, Germany, in 1474.[1] A facsimile globe showing America was made by Martin Waldseemueller in 1507. Another early globe, the Hunt-Lenox Globe, ca. 1507, is thought to be the source of the phrase "Here be dragons." Taken from http://en.wikipedia.org/wiki/Globe#History
What is the name of the person who invented the first globe?
The earliest known globe was constructed by the scholar Crates of Mallus in Cilicia (now Çukurova in modern-day Turkey) around 150 BC. An ancient celestial globe that still exists was made about 150 AD as part of a sculpture, called the Farnese Atlas, in the Naples Museum, Naples, Italy.[1] The first globe of the Old World was constructed in the Muslim world during the Middle Ages.[2] The oldest existing terrestrial globe was made by Martin Behaim in Nürnberg, Germany, in 1474.[1] A facsimile globe showing America was made by Martin Waldseemueller in 1507. Another early globe, the Hunt-Lenox Globe, ca. 1507, is thought to be the source of the phrase "Here be dragons."
What is the other name of celestial globe?
celestial globe is a physical model of celestial sphere
How do you use celestial in a sentence?
In the past I have read a book called 'The Celestial Globe'.
What is meant by a celestial globe?
The Celestial Globe (or sphere) is an imaginary sphere around our planet, earth. All objects in the sky and space, such as satellites, can be thought inside this invisible sphere.
What is another name of celestial globe?
Also known as astrolabes and armillaries.
How do you define a globe?
A globe is a miniature man-made spherical cartographic representation of Earth, the heavens, or a celestial body such as another planet or moon.
What is a celestial globe?
Celestial globes were used to represent the stars and constellations of the night sky and record their positions with respect to each other and a co-ordinate system. They were also used as analogue computers to resolve problems involving the stars. In the most common form of celestial globe, a number of stars were marked on a sphere, and the constellation figures delineated. The sphere was mounted by its poles (corresponding to the celestial poles) on a metal circle, or meridian. The ecliptic and equator were marked and divided (into degrees) on the globe, to measure celestial longitude and right ascension. Declination was measured using divisions marked on the meridian. The globe was placed in a stand, which included a broad horizontal band, known as the horizon. The elevation of the pole of the globe above the horizon could be varied to adjust for the user's latitude. Once so adjusted, the rotation of the globe was analogous to the (apparent) diurnal rotation of the stars, for that latitude. Since the ecliptic and equator are marked, the globe could be used to work out the times of rising and setting of the stars, or the time of their culmination (the time when an object reaches its highest point in the sky). A celestial globe from the Whipple Museum.
What does the circle in the Army Air Corp Navigator wings represent?
I don't know for sure, but it looks identical to a Celestial Globe, which was an ancient navigation tool used by sailors. Also known as an armillary sphere (variations are known as spherical astrolabe, armilla, or armil), this was a model of the celestial sphere that present the stars in relation to the earth. Link illustrates what the Celestial Globe looked like. It did have a globe mounted in the center of several rings. http://en.wikipedia.org/wiki/Armillary_sphere
What was the use of the celestial navigation?
Before proper maps, gps and similar, it was used to find the way around the globe.
Is there a book after the Celestial Globe by Marie Rutkoski?
Yes. It is called The Jewel of the Kalderash and was released on October 15, 2011.
What has the author Zofia Ameisenowa written?
Zofia Ameisenowa has written: 'The globe of Martin Bylica of Olkusz' -- subject(s): Astronomy, Celestial globes, History 'Kodeks Baltazara Behema' -- subject(s): Illumination of books and manuscripts, Specimens, reproductions, Poland 'The globe of Martin Bylica of Oekusz and celestial maps in the East and in the West'
What does a celestial globe help us do?
Globes are more accurate than maps, even though the lines of Latitude and Longitude on a flat map is curved, on a globe, you can clearly see that Greenland is NOT larger than the United States. Like Columbus failed: The earth is round, not flat.
What is a globe of the night sky called?
Understanding that there is no physical thing there, the term "Celestial Sphere" is often used. Early astronomers believed that the "celestial sphere" was a solid crystal sphere, and that the stars were embedded in the crystal. Below the crystal, the Sun, the Moon and five "wanderers", or "planeta" passed over the ground as the Celestial Sphere circled high overhead.
