منابع مشابه
the relationship between academic self-concept and academic achievement in english and general subjects of the students of high school
according to research, academic self-concept and academic achievement are mutually interdependent. in the present study, the aim was to determine the relationship between the academic self-concept and the academic achievement of students in english as a foreign language and general subjects. the participants were 320 students studying in 4th grade of high school in three cities of noor, nowshah...
General Relativity and Experiment *
The confrontation between Einstein’s theory of gravitation and experiment is summarized. Although all current experimental data are compatible with General Relativity, the importance of pursuing the quest for possible deviations from Einstein’s theory is emphasized. ∗To appear in the Proceedings of the XIth International Congress of Mathematical Physics (Paris,July 1994)
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I n our previous article about special-relativistic visualization,1 we described what the travelers from our highly developed civilization observed when they passed the Earth; now, they set out for the Cygnus X-1 binary system, which is roughly 6,000 light years away. The Cygnus X-1 system consists of a super giant variable star (HDE 226868) and a very compact object—presumably a black hole—wit...
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In Appendix III of the fifth edition of his book Space, Time, Matter [15] henceforth cited as W (which has not been translated into English), Hermann Weyl derived for the first time, motivated by cosmological considerations, the general frequency shift formula for sources and observers moving arbitrarily in a general spacetime. In his discussion of cosmology (W, 39) he argued for a non-stationa...
متن کاملThe ecliptic in general relativity
This article deals with relativistic effects on the motion of ecliptic. It is pointed out that the traditional definition of ecliptic can be used in the framework of general relativity: in general the definition of ecliptic is coordinate dependent and proper quasi-Cartesian coordinates should be adopted to avoid ambiguity of the definition. We derive equations that determine the motion of the e...
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ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2013
ISSN: 1029-8479
DOI: 10.1007/jhep06(2013)087