Results 11 to 20 of about 9,274 (195)
Analemmatic and horizontal sundials of the Bronze Age (Northern Black Sea Coast) [PDF]
Archaeoastronomy and Ancient Technologies, 2013 The paper presents the results of a study of unique slab with images of Srubna burial of tumuli group Popov Yar-2 (Ukraine) and slab of Srubna burial of tumulus field Tavriya-1 (Russia). A distinctive feature of the images is the orderliness and symmetry
Vodolazhskaya, L.N.
doaj +1 more source
A vueltas con el gnomon. Buscando soluciones a problemas
Enseñanza de las Ciencias, 2014 Son frecuentes las aproximaciones cualitativas e intuitivas que se hacen en la escuela sobre el movimiento aparente del Sol por el firmamento que tratan de proporcionar al alumnado observaciones para que construya un modelo del sistema Sol-Tierra.
Valentín Gavidia Catalán
doaj +3 more sources
Kako vemo, da so stari Slovani poznali gnomone?
Studia Mythologica Slavica, 2022 Pokončni stebri so tudi del mitične pokrajine starih Slovanov. Na dejstvo, da je bil tak steber uporabljen kot gnomon, je mogoče sklepati iz obstoja učinkov njegovega delovanja, ki jih najdemo v pokrajini: smeri neba, datumsko pomembni azimuti sončnega ...
Andrej Pleterski
doaj +1 more source
Informes de la Construccion, 2022 La primera operación de un edifico sacro cristiano es su orientación. Las liturgias (s. IX-XII) determinan una alineación (E-O), la precisión de algunas iglesias, con Az muy próximo a 90º y con una altura del horizonte (ASS) > 0º, indican la utilización
Josep Lluis i Ginovart +1 more
doaj +1 more source
Inverted analemmatic sundial of the Bronze Age [PDF]
Archaeoastronomy and Ancient Technologies, 2022 This article describes the study, using the methods of digital and computational archeology, of a Bronze Age limestone slab with cup marks, discovered during the archaeological excavations of kurgan 1 of the kurgan grave field Prolom II, located in the ...
L.N. Vodolazhskaya
doaj +1 more source
The prototype of ancient analemmatic sundials (Rostov Oblast, Russia) [PDF]
Archaeoastronomy and Ancient Technologies, 2016 The article presents the results of a study of petroglyphs on a unique stone slab discovered near the kurgan 1 of the kurgan field Varvarinsky I (Rostov Oblast, Russia).
Vodolazhskaya, L.N. +2 more
doaj +1 more source
PLANTS, PEOPLE, PLANET, Volume 5, Issue 6, Page 933-947, November 2023., 2023 Society anticipates a world in which more food and fiber must be produced at warmer temperatures, which, on the contrary, have greater constraints on the use of water and fertilizers. Tree legumes are often the climax vegetation on the semi‐arid and arid lands, covering ~25% of the planet, but the knowledge of their genomes is limited.
Wenqian Kong +16 more
wiley +1 more source
Bulletin de l'Institut Français d'Études Andines, 2020 This proposal addresses the study of stone engravings and the implementation of gnomon as a technique that specifies precise orientations, solar dates and associations between the motifs recorded in different rocky matrices at a pair of prehispanic ...
Omar Cruces Cervantes
doaj +1 more source
Ecology and Evolution, Volume 13, Issue 10, October 2023., 2023 We examine the predictability of gene family size changes in the pine tree specialist Neodiprion lecontei. Overall, our results are consistent with predictable gene family expansions and contractions in response to novel selection pressures. Abstract A central goal in evolutionary biology is to determine the predictability of adaptive genetic changes ...
Kim L. Vertacnik +7 more
wiley +1 more source
The Harold C. Ernst Collection of Portable Sundials [PDF]
, 2014 A catalog of sundials from the Harold C. Ernst Collection of Portable Sundials, and a handy reference book on the subject of portable sundials. The sundial is the most ancient scientific instrument to come down to us unchanged.
Mayall, Margaret W., Mayall, R. Newton
core +1 more source