Initially used to measure the brightness of radio sources, the jansky has spread to other areas of astronomy, as Natasha Hurley-Walker recounts.

中文翻译：

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一个单位统治他们

正如 Natasha Hurley-Walker 所述，jansky 最初用于测量无线电源的亮度，现已扩展到天文学的其他领域。