北美洲星云

北美洲星云

A star field is dominated by a red and blue glowing nebula. This nebula appears, to some, to have the shape of North America and so is called the North America Nebula. Please see the explanation for more detailed information.
星场以红色和蓝色发光星云为主。有些人认为这个星云的形状像北美洲,因此被称为北美洲星云。有关更多详细信息,请参阅说明。

NASA的韦伯望远镜揭示星际尘埃和气体的复杂层次

NASA的韦伯望远镜揭示星际尘埃和气体的复杂层次

很久很久以前,一颗大质量恒星的内核发生坍塌,产生的冲击波向外喷发,将恒星撕成碎片。当冲击波到达恒星表面时,它穿透了恒星表面,产生了短暂而强烈的X射线和紫外线脉冲,向周围的太空传播。大约350年后,这个光脉冲到达了星际物质,照亮了星际物质,令其升温,并发出红外光。

巴西利亚市上空的阿特拉斯彗星

巴西利亚市上空的阿特拉斯彗星

The buildings of a city are seen past a dark waterway. Over the city are some dark clouds and above that, blue sky. In the blue sky, partly obscured by some of the clouds, is a comet with a very long tail, running from the middle to the top of the frame. Please see the explanation for more detailed information.
透过一条漆黑的水道可以看到一座城市的建筑。城市上空有一些乌云,而更高处是蓝天。在蓝天中,一颗彗星穿过部分云层,其长长的彗尾从画面的中部延伸到顶部。有关更多详细信息,请参阅说明。

阿特拉斯彗星绕过太阳

阿特拉斯彗星绕过太阳

A comet is seen near the top of the image. The comet has several tails visible, some being white but others having different colors. Please see the explanation for more detailed information.
图片顶部附近可见一颗彗星。这颗彗星有几条可见的彗尾,一些是白色的,但其他的则有不同的颜色。有关更多详细信息,请参阅说明。