...This is too vague, so I will explain the main areas of research currently being conducted. (1) Establishment of a basic coordinate system: Determining the axis direction of a coordinate system fixed in space that is the basis for describing the positions and movements of celestial bodies. The equatorial coordinate system is used for this purpose, but in order to express it concretely, we are establishing stellar positions and proper motion systems, and are also researching methods for determining reference directions based on many galaxies. ... *Some of the terminology that refers to the "basic coordinate system" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これでは漠然としすぎるので,現在どのような方面を研究するか,おもなものを述べる。(1)基本座標系の確立 天体の位置・運動の記述の基本となる宇宙に固定した座標系の軸方向を定めること。赤道座標系がこのため用いられるが,その具体的表現のため恒星位置や固有運動系を確立すること,さらに多くの銀河をもとに基準方向を定める方法などを研究。… ※「基本座標系」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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