A needle dust as the model of the intergalactic dust is emploied, which is used to explain the reason why the supernova light tracks intergalactic space do not redden obviously.
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释义
摘要建立了星系际尘埃的针型模型,该模型能很好地解释高红移超新星的星光通过星系际空间时没有产生明显红化效应的原因。
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