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总结
据Phys.org报道，研究人员对疑似星际天体3I/ATLAS开展了迄今最灵敏的射电观测与“技术信号”（technosignature）搜寻，重点检索可能来自人造发射机的窄带、重复或异常无线电辐射。结果未探测到可疑信号，仅给出对潜在发射功率与信号强度的上限约束，使“其为人造装置/探测器”的猜测缺乏证据。该结论更支持其为自然来源的星际彗星或类似天体，后续仍将结合光谱等多波段观测持续验证其成分与活动特征。
正文
Most sensitive radio observations to date find no evidence of technosignature from 3I/ATLAS Phys.org If 3I/ATLAS is a Comet, then Its Anti-Tail Jet Should Not Include Streaming Gas Beyond ~5,000... Avi Loeb - Medium VLT Reveals Detailed Spectral Portrait of 3I/ATLAS Sci.News University Of Canterbury Team Led Study Of Interstellar Comet 3I/ATLAS astrobiology.com Europa Clipper Reveals a New Perspective on Comet 3I/ATLAS Universe Today
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