天璇(β UMa / 大熊座β)是位于大熊座的一颗恒星,亮度2.4等,距离地球79光年,为北斗七星之一。英文名Merak,源于阿拉伯语المراق al-maraqq,意为“(熊的)侧腹”。
上面明亮的北斗七星名字依次是:天枢,天璇,天玑,天权,玉衡,开阳,摇光。
The bright dipper stars above are named Dubhe, Merak, Phecda, Megrez, Alioth, Mizar, and Alkaid.
它是大熊座巨大星群的一部分,上面明亮的北斗七星名字依次是:天枢,天璇,天玑,天权。
Part of the larger constellation of Ursa Major, the bright dipper stars above are named Dubhe, Merak, Phecda, and Megrez.
它是大熊座巨大星群的一部分,上面明亮的北斗七星名字依次是(从左到右顺序):天枢,天璇,天玑,天权,玉衡,开阳,摇光。
Part of the larger constellation of Ursa Major, the bright dipper stars above are named (left to right along the dipper) Dubhe, Merak, Phecda, Megrez, Alioth, Mizar/Alcor, and Alkaid.
应用推荐