Zobrazeno 1 - 10
of 666
pro vyhledávání: '"Vondrák J."'
Publikováno v:
Serbian Astronomical Journal, Vol 2024, Iss 208, Pp 47-56 (2024)
Old Mayas designed a very complicated calendar, and they also recorded important historical events and astronomical phenomena. Dresden Codex (DC), one of the four preserved Mayan hieroglyphic literal legacies, contains many of these, covering the
Externí odkaz:
https://doaj.org/article/ee6dfdec0136413ca5cf5a55b21d1e5c
Publikováno v:
Serbian Astronomical Journal, Vol 2023, Iss 206, Pp 29-37 (2023)
The rich culture of old Maya gave birth to a very complicated and complex calendar; they also recorded important historical events and many significant astronomical phenomena. The main source of information is represented by Dresden Codex (DC), on
Externí odkaz:
https://doaj.org/article/e9e8683b0e014a148d1f01a251e3c395
Publikováno v:
Serbian Astronomical Journal, Vol 2022, Iss 204, Pp 65-76 (2022)
It is well known that the rich culture of old Maya contained, among other, also a very complicated and complex calendar, in which they recorded not only historical events, but also significant astronomical phenomena. Main source of information is the
Externí odkaz:
https://doaj.org/article/7826db66a2244c828b262ec053731b24
Autor:
Vondrák J., Ron C.
Publikováno v:
Serbian Astronomical Journal, Vol 2015, Iss 191, Pp 59-66 (2015)
In addition to torques exerted by the Moon, Sun, and planets, changes of the Earth orientation parameters (EOP) are known to be caused also by excitations by the atmosphere and oceans. Recently appeared studies, hinting that geomagnetic jerks (GMJ
Externí odkaz:
https://doaj.org/article/43210458ff9444288c8fafc3355db742
Publikováno v:
Serbian Astronomical Journal, Vol 2013, Iss 186, Pp 53-64 (2013)
The relationship between Maya and our calendar is expressed by a coefficient known as ‘correlation’ which is a number of days that we have to add to the Mayan Long Count date to get Julian Date used in astronomy. There is surprisingly large un
Externí odkaz:
https://doaj.org/article/f315675a82194fb586b8be96a87773e0
Autor:
Vondrák J.
Publikováno v:
Serbian Astronomical Journal, Vol 2004, Iss 168, Pp 1-8 (2004)
The successful ESA mission Hipparcos provided very precise parallaxes positions and proper motions of many stars in optical wavelength. Therefore it is a primary representation of International Celestial Reference System in this wavelength. However,
Externí odkaz:
https://doaj.org/article/ba5f17185bd74f36bd17bd1715f66b67
Publikováno v:
In Cor et Vasa December 2018 60(6):e615-e621
Electrochemical performance of Mo doped high voltage spinel cathode material for lithium-ion battery
Publikováno v:
In Journal of Energy Storage February 2018 15:329-335
Publikováno v:
In Advances in Space Research 1 March 2017 59(5):1395-1407
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