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20世纪80年代中期,根据空间探测器探测γ射线的结果,人们断定在银河系星际空间存在着大量的放射性核素~(26)Al,由于~(26)Al的半衰期为7.2×10~5a,人们判断这些~(26)Al是在较近的年代里从某些恒星或新星、超新星爆发事件中的热核反应过程中产生并抛射到宇宙太空中的。因此对于星际
In the mid-1980s, it was concluded that a large amount of radionuclide ~ (26) Al was present in the interstellar space of the Milky Way due to the detection of γ-rays by space probes. Since the half-life of ~ (26) Al was 7.2 × 10 ~ It has been determined that these 26 Al were produced in recent years by the thermonuclear reaction of some stars or neovsters and supernovae and projected into cosmic space. So for interstellar