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单词
蟹状星云
释义
蟹状星云
Encyclopedia
理学
蟹状星云
释
Crab Nebula
蟹状星云
金牛座的一团无定形的膨胀气体云。星表中的编号为M1和NGC1952。标准历元J2000为赤经05h34m31.94s,赤纬+22°00′52.2″。角径为7′×4′,视亮度相当于9等星。
Astronomy
Crab Nebula
蟹状星云
随便看
portrait mode
Portrait of a Man in a Red Turban
Portrait of Baldassare Castiglione
Portrait of Cao Xueqin
Portrait of Erasmus
portrait of Guanyin in bluish-white ceramic
Portrait of mother
Portrait of Qi Baishi
Portrait of Queen Tiy with a Crown of Two Feathers
Portrait of the Days of Youth
portrait of the goddess and the lady of the Xiang
portrait of the King Miaozhuang of the Sansheng Opera Troupe in Xihe County
Portrait of Yang Zhuxi
Portrait of Yang Zhuxi by Wang Yi
Portrait of YouSong by Du Qiong
Portrait of Zhang Qingzi
Portrait Painting
portrait shop
Portraits of Four Heavenly Kings
Portraits of Periodical Offering
Portraits Photography
port safety
port safety emergency
port safety management
Port Said
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