“Engraved Hourglass Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Engraved Hourglass Nebula
释义	Engraved Hourglass Nebula Encyclopedia 理学行星状星云释 Engraved Hourglass Nebula沙漏星云位于苍蝇座，标准历元J2000的赤经13h39m35.07s，赤纬-67°22′51.74″的年轻行星状星云。因其形状像西方记录时间的沙漏而得名。又称MyCn18。
随便看	thucholite Thucydides Thue Thue constant Thue equation Thue-Mahler equation Thue method Thue-Morse constant Thue-Morse sequence Thue problem Thue remainder theorem Thue semi-system Thue sequence Thue-Siegel-Roth theorem Thue system Thue theorem thuiane thujane thujone Thule Thule air base nuclear weapon accident Thule B-52 nuclear accident Thule group thulium Thullen

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