A branch of astronomy that studies phenomena related to high-energy cosmic rays. It covers a wide range of issues, including supernova phenomena, the origin of cosmic rays, radio galaxies and quasars, X-ray objects and neutron stars, neutrino astronomy and gamma ray astronomy, cosmic microwave background radiation, and cosmology. Methodologically, it seeks to clarify the structure of celestial bodies based on quantum mechanics and the theory of special relativity, which deal with high-energy phenomena. However, with the development of radio astronomy and X-ray astronomy, understanding of individual celestial bodies has deepened, and high-energy astronomy is being broken down into even more fields. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
高エネルギー宇宙線に関係した現象を研究する天文学の一分野。超新星現象,宇宙線の起源,電波銀河やクエーサー,X線天体や中性子星,ニュートリノ天文学やγ線天文学,宇宙背景放射や宇宙論など広範な問題を対象とする。方法論的には,高エネルギー現象を扱う量子力学と特殊相対性理論に基づいて,天体の構造を明らかにしようというものである。しかし,電波天文学やX線天文学の発展に伴って,個々の天体への理解が深まり,高エネルギー天文学はさらに多くの分野に分解しつつある。
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