英语词汇“x-ray burster”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	x-ray burster
释义	x-ray burster x-ray burster n. Any of several celestial phenomena characterized by the occasional and sometimes periodic emission of short, very powerful bursts of x-radiation. x-ray burster x-ray burster [′eks ‚rā ′bər·stər] (astronomy) One of a class of celestial x-ray sources which produce bursts of x-rays in the 1-20-kiloelectronvolt range and which are characterized by rise times of less than a few seconds and decay times of a few seconds to a few minutes; the peak luminosity is of the order of 10³⁸ ergs per second (10³¹ watts) and the sources have an average equivalent temperature of 10⁸K.
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