哈勃望远镜拍摄到了银河系令人眼花缭乱的景象

NGC 3175 is located around 50 million light-years away in the constellation of Antlia (the Air Pump). The galaxy can be seen slicing across the frame in this image from the NASA/ESA Hubble Space Telescope, with its mix of bright patches of glowing gas, dark lanes of dust, bright core, and whirling, pinwheeling arms coming together to paint a beautiful celestial scene.

The galaxy is the eponymous member of the NGC 3175 group, which has been called a nearby analog for the Local Group. The Local Group contains our very own home galaxy, the Milky Way, and around 50 others — a mix of spiral, irregular and dwarf galaxies. The NGC 3175 group contains a couple of large spiral galaxies — the subject of this image and NGC 3137 — and numerous lower-mass spiral and satellite galaxies. Galaxy groups are some of the most common galactic gatherings in the cosmos, and they comprise 50 or so galaxies all bound together by gravity.

This image comprises observations from Hubble’s Wide Field Camera 3.

Text credit: ESA (European Space Agency)
Image credit: ESA/Hubble & NASA, D. Rosario et al.

NGC 3175位于大约5000万光年之外的唧筒座。在这张NASA/ESA的哈勃太空望远镜拍摄的照片中,可以看到银河系横切了整个画面,它混合着明亮的发光气体、黑暗的尘埃带、明亮的核心以及旋臂,旋转的银河系旋臂汇聚在一起,描绘出美丽的天空景象。

该星系是NGC 3175星系群的同名成员,NGC 3175星系群被称为本地星系群附近的类似物。本地星系群包括我们自己的星系——银河系,以及大约50个其他星系——螺旋星系、不规则星系和矮星系的混合体。NGC 3175星系群包含几个大型旋涡星系(此图像的主体和NGC 3137)以及许多低质量旋涡星系和卫星星系。星系团是宇宙中最常见的星系群之一,它们由50个左右的星系组成,这些星系都是由引力联系在一起的。

这张照片是由哈勃的广角相机3号拍摄的。

文字来源: ESA (European Space Agency)
影像来源: ESA/Hubble & NASA, D. Rosario et al.

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