Results 1 to 10 of about 436,723 (327)

Prediction of the thermospheric and ionospheric responses to the 21 June 2020 annular solar eclipse

open access: yesEarth and Planetary Physics, 2020
On 21 June 2020, an annular solar eclipse will traverse the low latitudes from Africa to Southeast Asia. The highest latitude of the maximum eclipse obscuration is approximately 30°.
Tong Dang   +5 more
doaj   +2 more sources

Response of the Land‐Atmosphere System Over North‐Central Oklahoma During the 2017 Eclipse

open access: yesGeophysical Research Letters, 2018
On 21 August 2017, a solar eclipse occurred over the continental United States resulting in a rapid reduction and subsequent increase of solar radiation over a large region of the country.
D. D. Turner   +7 more
doaj   +1 more source

The ionospheric responses to the 11 August 1999 solar eclipse: observations and modeling [PDF]

open access: yesAnnales Geophysicae, 2008
A total eclipse occurred on 11 August 1999 with its path of totality passing over central Europe in the latitude range 40°–50° N. The ionospheric responses to this eclipse were measured by a wide ionosonde network.
H. Le   +5 more
doaj   +1 more source

The Solar Eclipse Predictions of Chiljeongsam-Oepyeon in Early Choseon [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2004
The history books of East Asia about astronomical phenomena have the more records of the solar eclipse frequently than any other ones. It is because traditionally, the solar eclipse meaned the fate of dynasty and the king's rule.
Young Sook Ahn, Yong Sam Lee
doaj   +1 more source

The Eclipse of Reason - A Present Time Risk

open access: yesAcademicus International Scientific Journal
This paper contends that technical progress, from automation in industry to artificial intelligence, might involve the risk of a humanly impoverished society. Instrumental values could overcome final values and determine the end of meaning.
Franco Ferrarotti
doaj   +1 more source

RANCANG BANGUN APLIKASI MOBILE SISKA BERBASIS ANDROID

open access: yesSINTECH (Science and Information Technology) Journal, 2018
SISKA is an Academic Information System at Ganesha University of Education (UNDIKSHA) used for TESIS process. Starting from proposal submission, proposal seminar, pre thesis exam and thesis exam. So far the running application is still in web form. With
Ni Kadek Ceryna Dewi   +3 more
doaj   +1 more source

Aristarco revisitado

open access: yesRevista Brasileira de Ensino de Física
Usando as triangulações propostas pelo antigo astrônomo Aristarco, obtivemos neste trabalho o tempo total e a duração do máximo dos eclipses solares e calculamos o tempo total dos eclipses lunares. Para isso, usamos os valores do período orbital da Lua e
T.B. de Oliveira   +2 more
doaj   +1 more source

Le croissant de lune chez les Éduens et les Lingons sous le Haut-Empire

open access: yesRevue Archéologique de l’Est, 2014
The crescent of the moon is very present on the funerary steles of the Lingones and Aedui. Its two horns point upwards in a position that is uncommon and which, curiously, has never intrigued archaeologists. The position is referred to as a “cradle moon”
Yann Le Bohec
doaj   +1 more source

Creation of programs for controlling programmable logic controllers using universal development tools

open access: yesInternational Journal of Advanced Studies
Background. Programmable logic controllers (PLCs) play a key role in automation systems across a variety of industries, including industrial manufacturing, transportation, and the energy sector.
Farit I. Lotfullin   +2 more
doaj   +1 more source

Singular value decomposition based satellite attitude determination using different sensor configurations

open access: yesInternational Journal of Metrology and Quality Engineering, 2017
Satellite's attitude can be determined by using several different ways. In order to use a recursive filter to determine the attitude especially after crucial intervals for the satellite including detumbling, eclipse, etc., single-frame methods can be ...
Cilden Guler Demet, Hajiyev Chingiz
doaj   +1 more source

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