• The Journal of Korean Philosophical History
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• no.38
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• pp.221-249
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• 2013

This paper aims to examine the meaning of 'Xuan(玄)' in the cosmogony, especially in the view of Yang-xiong(揚雄) and Ge-hong(葛洪). The concept 'Xuan' is thought to have originated in the XianQin text Laozi & Zhouyi. After the XianQin period, this concept has been defined as philosophical concept, and it has a variety of meanings. This paper discussed about the cause of creation, the differentiation process, and the existence principle, within the cosmogony of Yang-xiong & Ge-hong. First, the cause of creation in the Yang-xiong is efficient cause in the state of the elementary substance, but also is the principle that is applied to the phase of the creation. While the cause of creation in the Ge-hong is comprised of the cause of the creation and the existence principle. Thus, the meaning of the concept 'Xuan' in the both scholar is different from the matter monism. Second, the concept 'Xuan' in the both scholar contains the tendency of cosmogony and ontology. Yang-xiong maintains the cosmogony, but he also hold on the rudimentary view of ontology. While Ge-hong display a tendency of ontology. Third, Ge-hong accepted the view of Yang-xiong and he developed the meaning of the existence principle. And finally, the concept 'Xuan' in the both scholar forms a philosophical system. Yang-xiong insisted that the concept 'Xuan' is the basis of the universe, the human-being and the society. While through realizing the concept 'Xuan', Ge-hong tried to pursue the human-being's agelessness and the eternal life.

• Bulletin of the Korean Space Science Society
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• 1994.09a
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• pp.40-40
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• 1994

• The Bulletin of The Korean Astronomical Society
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• v.25 no.2
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• pp.37-37
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• 2000

• The Science & Technology
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• no.4 s.419
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• pp.56-63
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• 2004

• The Science & Technology
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• s.473
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• pp.34-37
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• 2008

• The Science & Technology
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• s.473
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• pp.38-39
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• 2008

• The Science & Technology
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• s.473
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• pp.40-45
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• 2008

• The Bulletin of The Korean Astronomical Society
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• v.44 no.2
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• pp.40.2-40.2
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• 2019

허블 텐션이란 허블우주망원경으로 관측한 허블상수 값과 플랑크 위성으로 측정한 허블상수 값이 일치하지 않는 문제를 일컬으며 현재 우주론에서 주목 받는 이슈 중 하나이다. 밀도가 작은 지역에선 약한 중력으로 공간의 팽창이 빠르고, 반대로 밀도가 큰 지역에서는 팽창이 느리다. 만약, 우리 근처에서 상대적으로 낮은 밀도 때문에 팽창 속도의 차이가 생긴다면 허블 텐션의 원인을 쉽게 설명할 수 있다. 이 문제를 구체적으로 다루기 위해, 우리는 우주 상수를 고려한 아인슈타인 중력의 구형 우주론 풀이인 Lambda-Lemaître-Tolman (ΛLT) 모형을 사용하였다. 우리로부터 먼 현상은 기존의 ΛCDM(Λ cold dark matter) 모형으로, 가까운 현상은 국소적인 LT 모형으로 기술함으로써 허블 텐션 문제를 해결하고자 하였다. 또한, 마코프 체인 몬테 칼로 (MCMC) 방법을 적용하여 천문 관측 결과를 잘 맞추는 ΛLT 모형의 변수들을 탐색하였다.

• The Journal of Korean Philosophical History
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• no.56
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• pp.81-117
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• 2018

The purpose of this study is to clarify the overall features and its meaning of the Gaebyok(開闢) through the intercomparison of the Gaebyok idea that is the core idea of a newly risen modern religion in Korea. Limitation of most studies so far is that they have stayed in the fragmentary study on the Gaebyok idea of each new religion. In order to overcome this problem, first of all, the Gaebyok idea was studied from a philosophical point encompassing the cosmological view of time in the book of changes. And based on this methodological foundation, with organizing the existing result of study, the process of development and characteristics in the Gaebyok idea of a posteriori Donghak(東學), Right I Ching (正易), Won Buddhism(圓佛敎), and Kangjeungsan(姜甑山) was investigated respectively. And through comparing and analyzing each Gaebyok idea, the similarities and differences between each other were organized. The founders of new religions thought that a great change in the universal and natural luck was made before and after the point of their living. The concept of the frequency of revolution theory is the concept to explain the aspect of transition according to the frequency of revolution(運度) of the cosmological nature that returns to the beginning, and in the idea of the posterior Gaebyok, this content and concepts is contained as it was. This study showed that the concept of the frequency of revolution theory in an apriority and a posterior like those becomes appeared in some preaches of Suun, Ilbu, Sotaesan and Jeungsan. An apriority in the Gaebyok idea of new religion is the world of crisis that represents the limited condition of human being, and a posterity means the religious ideal world realized through the power of the absolute being or a dramatic universal change from that limited circumstances. So the Gaebyok ida is a kind of an universal eschatology and religious view that expects the coming of ideal world in the future. In addition, since the universal eschatology is a kind of a view of time, it inevitably has an issue how long time apriority and a posterity included in it have. And especially, it becomes to premise the content how the social condition and human condition change in an apriority and a posterity. Accordingly, in this study, based on the understanding of the view of time in the cosmological level, the content of answers that each newly risen religion discloses was listed and analyzed with comparison. It can be considered that Suun took charge of a mission to deliver the message through being possessed of a god in heaven who is able to be called a transcendental existence, Ilbu disclosed the coming of the world of a posterity beyond an apriority through the Book of Changes(易學), Jeungsan proclaimed himself as the absolute being who could make such a posterity and bring it, and Sotaesan proposed the Gaebyok of mind in order to meet with the world of a posterity and to live in that era.

• The Science & Technology
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• v.12 no.3 s.118
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• pp.41-43
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• 1979

아인슈타인은 시공간에 관한 우리의 상식과 개념을 송두리째 바꾸어 버린 특수상대성이론 등 6개의 과학학술논문을 발표함으로써 그후 100년간의 물리학의 발전에 결정적인 영향을 미쳤다. 한국과학사총회와 한국과학저술인협회는 3월 17일 학산기술도서관에서 아인슈타인 탄생 11주년 기념 강연회를 가졌다. 다음은 이날 가진 민영기국립천문단장(아인슈타인과 우주론), 김정흠고대교수(상대론이후의 물리학), 이초식건대교수(아인슈타인의 과학철학)의 강연요지이다.