一年份的日落
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。
天文·每日一图
NGC 660: 极环星系
A dark starfield has an unusual galaxy in the center. This galaxy has a spindle-like shape showing two dust lanes — one running vertically and one running diagonally from the upper left. Please see the explanation for more detailed information.
一片黑暗的星场中央有一个不寻常的星系。这个星系呈纺锤状，有两条尘埃带——一条垂直延伸，一条从左上方斜向延伸。有关更多详细信息，请参阅说明。
天文·每日一图
丘格彗星上的一公里高悬崖
A black and white image shows, from the side, the wall of a high jagged cliff. At the bottom of the cliff is a smooth landing dotted with rocks. Please see the explanation for more detailed information.
一幅黑白照片从侧面展示了高耸的峭壁。悬崖底部是一个光滑的着陆点，上面散布着岩石。有关更多详细信息，请参阅说明。
天文·每日一图
覆雪森林上空的双子座流星雨
A snowy landscape is pictured below a starry sky. The very bright Moon appears on the upper right. Many streaks are visile that are meteors taken over the night. Please see the explanation for more detailed information.
照片下方是一片雪景，星空下是明亮的月亮，位于右上方。可以看到许多流星痕，都是那天夜晚拍摄的。有关更多详细信息，请参阅说明。
天文·每日一图
M51: 潮汐流与氢α峭壁
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。
