The two-pronged tail in this system may have formed because gas has been stripped from the two major spiral arms in ESO 137-001.

在这个系统里出现分成两叉的尾巴是因为被吹散的气体来自于ESO 137-001的两个主要的漩臂。

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New infrared images of the Milky Way show just two major spiral arms, Scutum-Centaus and Perseus, along with a newly discovered arm called Far 3kpc Arm.

左边是银河系的目前结构，显示其两条主螺旋臂，右边是较早的银河系图像，有四条主螺旋臂。

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The nearest major spiral galaxy to the Milky Way, Andromeda, named after its constellation and also known as M31, is the largest galaxy in the Local Group of Galaxies.

仙女星系是距银河最近的巨型旋涡星系，它以其所在星座仙女座命名，同时又被称为M31，它是本星系群中最大成员。

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The stake sale would be a major reprieve for Kingfisher which has been in what seemed like a death spiral.

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It is a spiral without end until we decide once again to curtail a major catalyst of our divisions, which is our unlimited federal government.

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