Radio Star - Denpasei

Japanese: 電波星 - でんぱせい

Also known as radio object or radio star. A general term for celestial bodies that emit radio waves. Originally, the term was used in the 1940s and 1950s, when it was thought that most radio wave sources were stars. Later, it was discovered that many of these radio wave sources were supernova remnants or galaxies outside the Milky Way. In the 1970s, radio waves were detected from stars, but these were mainly emitted by the gas surrounding the stars rather than the stars themselves. → Pulsars/X-ray stars

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

電波天体，ラジオ星とも。電波を放射している天体の総称。元来は，1940―1950年代，電波源の多くが恒星だと考えられたときに使われた語。その後これらの電波源の多くは，超新星残骸や銀河系外の銀河などであることが判明，また1970年代恒星からの電波が検出されたが，これも恒星本体というよりは恒星を取り巻くガスが放出しているものが主である。→パルサー／Ｘ線星

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