The South Galactic Cap u-band Sky Survey(SCUSS) was established in 2009 in order to provide a photometric input catalog ......

根据银心区的CO谱线观测，对300pc气体分子环提出了一种开普勒模型；气体分子分布在一个膨胀或收缩的椭圆环上，环上的气候分子按开普勒......

太阳不在银河系中心夏日的夜晚,一条淡银色带子在黑色夜幕上横空出世,从北向南蜿蜒伸展,在天鹅座处忽而一分为二,并继续向南奔泻而......