到達美國之後，關恆提交了庇護的申請，開始了他在美國低調、獨自一人的生活。
Ian Youngs,Culture reporterand
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Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10171-w，详情可参考safew官方下载
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"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.