作者： Samuel Chan

天文·每日一图

 由 

哈勃影像: 蝌蚪星系

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。

天文·每日一图

 由 

差点撞上星系的流星

A distant spiral galaxy is seen in the image center. A multi-colored streak runs diagonally across the image from the upper left to the lower right. Parts of this streak have gas near it. The background is dark field filled with stars. Please see the explanation for more detailed information.
在图像中心可见一个遥远的螺旋星系。一条多色的条纹从图像的左上角斜向贯穿至右下角。这条条纹的部分区域附近存在气体。背景是布满繁星的暗场。有关更多详细信息，请参阅说明。

天文·每日一图

 由 

太阳系的家族照

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

 由 

人马三重星云

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

 由 

系外行星大观

A graphic illustrates hundreds of possible exoplanets, with blue drawings of planets in the middle, red on the right, and tan on the left. Some exoplanets are drawn with rings. Please see the explanation for more detailed information.
这张图展示了数百颗可能的系外行星，中间是蓝色行星图，右侧是红色行星图，左侧是棕褐色行星图。有些系外行星带有行星环。有关更多详细信息，请参阅说明。

天文·每日一图

 由 

瑞典上空的彩云

A landscape shows the sky above, shallow water in front, and hills to the right. The sunset sky is filled with beautifully multicolored clouds. These clouds are clearly reflected by the calm water in front. Please see the explanation for more detailed information.
在这幅风景画中展现的是上方的天空、前方的浅水和右侧的山峦。夕阳的天空中布满了五彩缤纷的云朵。这些云朵清晰地倒映在前方平静的水面上。