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夜枭星云
释义
夜枭星云
Encyclopedia
理学
行星状星云
释
Owl Nebula
夜枭星云
位于大熊星座的一个比较复杂的行星状星云。星表中的编号为M97和NGC3587。距离地球2030光年(621秒差距),视星等为9.9,年龄约8千年。又称猫头鹰星云。
Astronomy
Owl Nebula
夜枭星云
随便看
Site of Olorgesailie
Site of Palmyra
site of Qin Palace at Xianyang
Site of Qiongzhou Customs
site of resistance to British Aggression at Zongshan,Jiangzi
site of risk
site of Sanxingdui City
Site of Shipwreck at Beijiao
Site of Shipwreck at Jinyin Island
Site of Shipwreck at Shanhu Island
Site of Song Shipwreck at Dongmenkou of Ningbo
Site of Suoyang City
Site of Tai'erzhuang Battle
Site of the Ancient City on Yaer Lake
site of the Anyuan Railway and Mine Workers' Club
Site of the Army Administrate and Navy Administrate in the Qing Dynasty
Site of the Army Officials School in Yunnan
site of the August1 Uprising Headquarters
site of the August7 Conference
site of the Autumn Harvest Uprising Revolutionary Armies Joining Forces at Wenjiashi
site of the Central Committee of Chinese Communist Party at Xibaipo
site of the Central Organ,Chinese Socialist Youth League
site of the Central Plains Bureau,Central Committee,Chinese Communist Party
site of the Chaya Mount Satellite People's Commune
site of the Chinese National Federation of Trade Unions
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/2/11 19:38:12