See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。
A star-filled sky has two streaks in the foreground. A green and red streak toward the lower left was created by an ablating meteor, while the blue and white streak on the upper right is the coma and tail of a comet. Please see the explanation for more detailed information.
星光闪耀的天空前景中有两条条纹。左下方的绿色和红色条纹是由流星划过形成的，而右上方的蓝色和白色条纹是彗星的彗发和彗尾。有关更多详细信息，请参阅说明。
The top panel shows a flat ring with a bright center in blue, even though it was taken in near infrared light. The bottom panel shows the same galaxy in visible light and shows a brighter and more expansive center against which the flat ring appears dark. Please see the explanation for more detailed information.
上图显示了一个扁平的环状结构，中心明亮，呈蓝色，尽管它是在近红外光下拍摄的下图显示可见光下的同一星系，中心更明亮、更广阔，而扁平的环状结构则显得很暗。有关更多详细信息，请参阅说明。
See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。
A series of white parallel clouds are seen going off into the distance in a background blue sky. In the foreground is a hill with two domes at the top. Please see the explanation for more detailed information.
在蔚蓝的天空背景下，一连串平行的白色云朵向远方飘去。前景是一座山丘，山顶有两个圆顶。有关更多详细信息，请参阅说明。
