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Precision of the Nebra Disc in Astronomical and Geometric Aspect

Publication date: 30.12.2021

Geoinformatica Polonica, 2021, Vol. 20 (2021), pp. 97-107

https://doi.org/10.4467/21995923GP.21.008.14979

Authors

,
Piotr Banasik
AGH University of Science and Technology, Adama Mickiewicza 30, 30-059 Cracow, Poland
https://orcid.org/0000-0002-3604-4019 Orcid
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Władysław Góral
AGH University of Science and Technology, Adama Mickiewicza 30, 30-059 Cracow, Poland
https://orcid.org/0000-0003-0586-7191 Orcid
Contact with author
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Titles

Precision of the Nebra Disc in Astronomical and Geometric Aspect

Abstract

The astronomical knowledge on the disc has been coded on two planes: horizontal and meridian. The range of sunrise and sunset directions during the year has been described on the horizontal plane. In turn, on the meridian (vertical) plane, the range of changes in the horizontal height and declination of the Sun in the upper culmination during the year and the Moon in its 18.61-year cycle were described. The relationships between the latitude of the place of observation, the horizontal height of the celestial body and its declination were described by means of geometric constructions. The presented article is a continuation of two publications [1] and [2], which describe the decryption of the Nebra disc. These publications were based on the interpretation of the results of angular measurements, made using a protractor with a scale of 0.5 degrees, without the use of a computer. The presented publication is based on a digital disc image obtained by means of its digitization. The obtained data was used for further calculations based on analytical geometry and graphic programs. This allowed to obtain results in a linear measure with a precision of less than 1 mm.

References

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Information

Information: Geoinformatica Polonica, 2021, Vol. 20 (2021), pp. 97-107

Article type: Original scientific article

Titles:

English:

Precision of the Nebra Disc in Astronomical and Geometric Aspect

Polish:

Precyzja dysku z Nebry w aspekcie astronomicznym i geometrycznym

Authors

https://orcid.org/0000-0002-3604-4019

Piotr Banasik
AGH University of Science and Technology, Adama Mickiewicza 30, 30-059 Cracow, Poland
https://orcid.org/0000-0002-3604-4019 Orcid
Contact with author
All publications →

AGH University of Science and Technology, Adama Mickiewicza 30, 30-059 Cracow, Poland

https://orcid.org/0000-0003-0586-7191

Władysław Góral
AGH University of Science and Technology, Adama Mickiewicza 30, 30-059 Cracow, Poland
https://orcid.org/0000-0003-0586-7191 Orcid
Contact with author
All publications →

AGH University of Science and Technology, Adama Mickiewicza 30, 30-059 Cracow, Poland

Published at: 30.12.2021

Article status: Open

Licence: CC BY-NC-ND 3.0 PL  licence icon

Percentage share of authors:

Piotr Banasik (Author) - 50%
Władysław Góral (Author) - 50%

Article corrections:

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Publication languages:

English

Precision of the Nebra Disc in Astronomical and Geometric Aspect

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