星系

天文·每日一图

星系前方的流星

A starfield has the Andromeda galaxy in the center. Streaking down from the top is a green line with several bright segments — a meteor captured coincidently. Please see the explanation for more detailed information.
仙女座星系位于星空的中心。从顶部向下划出的是一条绿线,中间有几道明亮的光斑——这是一颗偶然捕捉到的流星。有关更多详细信息,请参阅说明。

天文·每日一图

极环星系NGC 2685

An unusual galaxy is shown that appears lens-like in overall shape yet has various rings of stars around the center. Please see the explanation for more detailed information.
图中展示了一个不寻常的星系,其整体形状类似透镜,但中心周围却环绕着各种恒星环。有关更多详细信息,请参阅说明。

天文·每日一图

星系大战: M81对战M82

Two large galaxies are shown against a dark starfield. The galaxy on the upper left has blue spiral arms speckled with red nebulae. The galaxy on the lower right has a white line with red filaments on each side. Thin wisps cover some of the rest of the field. Please see the explanation for more detailed information.
在黑暗的星空背景下呈现出两个大型星系。左上方的星系拥有点缀着红色星云的蓝色旋臂。右下方的星系则呈现出一条带有红色丝状结构的白色线条。画面其他部分还覆盖着一些细薄的云气。有关更多详细信息,请参阅说明。

资讯

NASA开放科学揭示太空的声音

A team from NASA’s Chandra X-ray Observatory converts NASA space data to sound, creating sonifications for more accessible science discovery.
NASA的钱德拉X射线天文台团队将NASA的太空数据转化为声音,通过声化技术使科学发现更加易于获取。

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。

资讯

NASA的哈勃和钱德拉发现一对超大质量黑洞

就像两位相扑选手对峙一样,我们观测到了距离最近的一对超大质量黑洞。这两个黑洞相距约300光年,是通过NASA的哈勃太空望远镜和钱德拉X射线天文台探测到的。这些黑洞深埋在一对正在碰撞的星系中,由内落的气体和尘埃提供燃料,使其作为活跃星系核(AGN)发出明亮的光芒。

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