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Astronomy diagrams, 1823 C017 / 8060
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Astronomy diagrams, 1823 C017 / 8060
Astronomy diagrams, 19th century. These relate to observing and describing the position of stars and other objects in the night sky. Across top are right, oblique and parallel spheres. Below this are diagrams showing the altitude of the 90th (nonagesimal) degree, the determination of parallax, and of declination. Below that are diagrams showing star rises relative to the Sun: cosmical, achronical, and heliacal. Across bottom are diagrams on optical phenomena affecting star observation: the apparent place, the parallax, refraction, and aberration. This page is from Universal Technological Dictionary (1823) by British author George Crabb (1778-1851)
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Media ID 9210585
© MIDDLE TEMPLE LIBRARY/SCIENCE PHOTO LIBRARY
1823 Array Artworks Ball Book Celestial Mechanics Diagram Diagrams George Crabb Globe Illustrations Oblique Page Parallax Parallel Publication Refraction Round Selection Sphere Spheres Spherical Universal Technological Dictionary Universe Aberration Declination Optical Phenomena
EDITORS COMMENTS
This print showcases a collection of astronomy diagrams from the 19th century, providing an intriguing glimpse into the techniques and observations used to study celestial bodies. The array of illustrations, carefully curated by British author George Crabb in his renowned publication Universal Technological Dictionary (1823), offers a comprehensive overview of various aspects related to star observation. The top section features diagrams depicting right, oblique, and parallel spheres, highlighting different perspectives for studying the night sky. Moving downwards, we encounter diagrams illustrating the altitude of the nonagesimal degree as well as methods for determining parallax and declination. Further below lies a series of diagrams showcasing star rises relative to the Sun: cosmical, achronical, and heliacal. Across the bottom row are additional diagrams focusing on optical phenomena that affect star observation. These include depictions of apparent place, parallax, refraction, and aberration – all crucial factors considered when studying stars. With its monochrome aesthetic and meticulous attention to detail, this artwork transports us back in time to an era where astronomers relied on these intricate visual aids to unravel the mysteries of our universe. A true testament to human curiosity and scientific exploration!
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