"Launching radioactive material through the Earth's atmosphere brings safety concerns. You have to have a special license to do that, but it is not insurmountable," says Dr Simeon Barber, planetary science specialist at the Open University.
2024年12月25日 星期三 新京报
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Science writer | PhD in microbiology | Fungi buff | Currently writing a graphic novel about the forgotten woman who introduced agar to the lab, Fanny Angelina Hesse (1850-1934) 👉🏼 www.fanny-hesse-graphic-novel.site。业内人士推荐同城约会作为进阶阅读
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