File:Planisphaerium Ptolemaicum siue machina orbium mundi ex hypothesi Ptolemaica in plano disposita (2709983277).jpg
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DescriptionPlanisphaerium Ptolemaicum siue machina orbium mundi ex hypothesi Ptolemaica in plano disposita (2709983277).jpg |
Zoom into this map at maps.bpl.org. Author: Cellarius, Andreas. Publisher: [s.n.] Date: 1661. Location: Solar system Scale: Scale not given. Call Number: G3180 1661.C4 While most of the maps in this exhibit depict just the Earth -- reflecting mankind's perception of his immediate and perceived environment -- very few address the planet's position in the larger universe. However, geographers, astronomers, and map makers during the Renaissance and Baroque periods were very interested in observing and mapping the heavenly bodies and theorizing about their relationship to the Earth. In the mid-17th century, Andreas Cellarius, a Dutch mathematician and geographer, compiled a lavish celestial atlas. This comprehensive book brought together numerous charts and a wealth of astronomical information from various sources. The initial chapters described the theories of several astronomers including Claudius Ptolemy, Nicolaus Copernicus, and Tycho Brahe. The later chapters discussed such subjects as the magnitudes of the stars, lunar and solar theories, the nature of the planets, and the constellations of the zodiac. These topics were illustrated with beautifully engraved and hand colored plates. One illustration included in Cellarius' book is this plate depicting the Earth-centered universe theorized by Claudius Ptolemy, the 2nd century A.D. geographer who lived in Alexandria, Egypt. At the center of this diagram, there is a small map of the Earth's northern hemisphere. Revolving around the Earth in separate orbits are the Moon, Mercury, Venus, the Sun, Mars, Jupiter, and Saturn. The outer circle was reserved for the stars, represented as the constellations of the zodiac. This was the prevailing theory of the universe until the mid-16th century when Copernicus proposed a solar system centered on the Sun. Note: this chart is missing all of the epicycles for which Ptolemy is famous, incorrectly shows Me and V orbiting [only] Earth (instead of their epicycles situated on a line between E and Sol) and at impossible elongations from Sol. Superior planets and Sol are positioned consistent with 6/21/1661 in a geocentric model. Me and V would be close to their correct locations for 3/18/1661 were this a heliocentric model. |
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Planisphaerium Ptolemaicum siue machina orbium mundi ex hypothesi Ptolemaica in plano disposita
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Author | http://maps.bpl.org |
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This image, originally posted to Flickr, was reviewed on 21 August 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
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Width | 9,720 px |
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Height | 8,110 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 12:27, 6 November 2007 |
Color space | Uncalibrated |
Image width | 1,200 px |
Image height | 1,001 px |
Date and time of digitizing | 07:27, 6 November 2007 |
Date metadata was last modified | 07:27, 6 November 2007 |
IIM version | 2 |