螺旋星系

天文·每日一图

韦伯与哈勃影像: 互撞的螺旋星系

Two spiral galaxies are pictured on the left and right. They galaxy on the left is smaller. Both show red lanes of dust in their spiral arms. Please see the explanation for more detailed information.
左图和右图为两个螺旋星系。左侧星系较小。两个星系的旋臂中都有红色尘埃带。有关更多详细信息,请参阅说明。

天文·每日一图

NGC 300: 恒星的聚落

A classic spiral galaxy is shown with blue spiral arms. The center is yellow-red. Many star clusters are easily visible. Please see the explanation for more detailed information.
图中显示的是典型的螺旋星系,旋臂为蓝色。中心为黄红色。许多星团清晰可见。有关更多详细信息,请参阅说明。

天文·每日一图

韦伯与哈勃影像: 草帽星系

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。

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