Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/b95f3a9d6bd86e3ca5ec74f384b1dd59.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 constellation boundaries是什么意思，constellation boundaries的翻译，constellation boundaries音标、读音、用法和例句_按摩法牛津词典
Also known as the Pinwheel Galaxy, M101 lies within the boundaries of the northern constellation Ursa Major, about 25 million light-years away. M101 也被稱爲風車星系，位於大約 2500 萬光年之遙的大熊星座北部邊緣。