蝌蚪星云

A spiral galaxy is shown on the upper left with a really long tail of stars and blue-glowing gas trailing to the lower left. Please see the explanation for more detailed information.
左上方是一个螺旋星系，它有一条由恒星和蓝色发光气体组成的长尾，延伸至左下角。有关更多详细信息，请参阅说明。