...An antenna for observing radio waves from celestial bodies. The universe is a place of extremely diverse motion of matter, ranging from extremely high temperatures to extremely low temperatures, and from extremely high densities to densities as low as a vacuum. These motions are accompanied by repeated processes of emission and absorption of electromagnetic waves of all energies, including radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays. The image of the universe we see today was constructed using information from the entire wavelength range of these electromagnetic waves, but we owe a great deal to telescopes of light (visible light) and radio waves in particular. ... *Some of the terms used in the description of "aperture synthesis interferometer" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…天体からの電波を観測するためのアンテナ。宇宙は,超高温から超低温,また超高密度から真空に限りなく近い低密度まで,きわめて変化に富む物質の運動の場である。これらの運動に伴い,電波,赤外線,可視光,紫外線,X線,γ線にいたる,あらゆるエネルギーの電磁波の放射・吸収過程が繰り返されている。われわれが今日みる宇宙の姿は,これら電磁波の全波長域からの情報を用いて構築されたものであるが,とくに光(可視光)と電波の望遠鏡に負うところが大きい。… ※「開口合成型干渉計」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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