2005/05/29 | 星际介质[Interstellar Medium]
类别(¤〖天文〗) | 评论(0) | 阅读(47) | 发表于 14:11
Eight elements heavier than zinc have been detected in the interstellar medium: thorium, lead, gallium, germanium, krypton, tin, arsenic, and selenium.
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