在未来几十年没有行星直线排列问题，地球也不会在2012年跨越银河平面，即使出现此类排列方式，对地球的影响也可以忽略不计。
There are no planetary alignments in the next few decades, Earth will not cross the galactic plane in 2012, and even if these alignments were to occur, their effects on the Earth would be negligible.
有的漩涡星系长得和银河很像，有的星系则呈橄榄球般的椭圆形，还有的只是群星松散的排列，没有鲜明的形态。
Some spiral galaxies like our own, others elliptical in shape more like rugby balls and others just loose clumps of stars with no real defined shape.
英国和澳洲的天文学家观察了上千个星系，试图找到另一处类似于银河系的排列。
Astronomers in the U. K. and Australia looked at thousands of galaxies to try to find an analogue of our arrangement.
往往是区域内载光明年轻恒星和气体云都被排列在长螺旋武器，可以观察到绕银河系。
Often the regions containing bright young stars and gas clouds are arranged in long spiral arms that can be observed to wind around the galaxy.
往往是区域内载光明年轻恒星和气体云都被排列在长螺旋武器，可以观察到绕银河系。
Often the regions containing bright young stars and gas clouds are arranged in long spiral arms that can be observed to wind around the galaxy.
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