Astronomers have discovered a distant galaxy.
天文学家们发现了一个遥远的星系。
Within our own galaxy there are probably tens of thousands of planetary systems.
在我们所在的银河系中，很可能存在数以万计的行星系。
Light from stars, even nearby in our own galaxy, doesn't stand a chance against that.
即使是我们银河系附近的恒星发出的光，也无法与之抗衡。
The Cartwheel Galaxy shows a ring that is the result of a collision between a small and a large galaxy.
车轮星系呈现出一个由大小两个星系碰撞而形成的光环。
Our galaxy is so huge that dozens of lesser galaxies scamper about it, like moons orbiting a giant planet.
我们的银河系实在庞大，吸引着数十个较小的星系环绕着它奔跑，恰似环绕巨大行星旋转的卫星。
Observations indicate that gas clouds in galaxy M87 are whirling unusually fast about the galaxy's center.
观测表明M87星系的气体云围绕星系中心旋转的速度异常快。
The physicist Fabian reasoned that as intergalactic gas cools, the cooler gas shrinks inward toward the center of the galaxy.
物理学家费边推断，当星系间的气体冷却时，较冷的气体向星系中心收缩。
Nicknamed the Southern Pinwheel, M83 is undergoing more rapid star formation than our own Milky Way galaxy, especially in its nucleus.
绰号“南方风车”的M83正在经历比我们银河系更快的恒星形成过程，特别是在它的核心。
Meanwhile, its place is taken by hotter intergalactic gas from farther out on the edge of the galaxy, which cools as it is compressed and flows into the galaxy.
与此同时，它的位置被更热的星系间气体所取代，这些气体来自更远的星系边缘，在被压缩的过程中冷却并流入星系。
Supernovas can briefly shine as brightly as an entire galaxy.
超新星能短暂地发出相当于整个星系亮度的光。
This is one of the most arresting galaxy smash-up images todate.
这张照片是迄今为止最为引人注目的星系撞击的图像之一。
This is one of the most arresting galaxy smash-up images to date.
这张照片是迄今为止最为引人注目的星系撞击的图像之一。
Studyingglobular clusters therefore tells us about the history of our galaxy.
因此，研究球状星团可以向我们揭示银河系的历史。
This illustration depicts a supermassive black hole at the center of a galaxy.
这幅图描绘了位于星系中心的一颗超大质量黑洞。
Studying globular clusters therefore tells us about the history of our galaxy.
因此，研究球状星团可以向我们揭示银河系的历史。
Globularclusters can be found spread largely in a vast halo around our galaxy.
我们可以观测到，球状星团在银河系周围的巨大光晕中广泛分布。
Globular clusters can be found spread largely in a vast halo around our galaxy.
我们可以观测到，球状星团在银河系周围的巨大光晕中广泛分布。
"Instead of watching the ceiling, you can watch the galaxy go by," Olson says.
奥尔森说：“这样就不用老盯着天花板了，可以看漫天繁星斗转呐。”
It is the highest-resolution image of the galaxy ever recorded in the ultraviolet.
这是有史以来分辨率最高的星系紫外线图像。
It seems to have more data points embedded in its scatter plots than our galaxy has stars.
这看起来就是把数据要点嵌入散点图里，如同我们的银河系遍布繁星一般。
Astronomers claim to have discovered the first planet originating from outside our galaxy.
天文学家宣布发现了首颗来自银河系以外的行星。
A small, irregular galaxy, the SMC represents a type of galaxy more common in the early Universe.
作为一个小而不规则的星系，小麦哲伦星系呈现出早期宇宙星系的普遍类型。
'If we are the only intelligent beings in the galaxy we should make sure we survive and continue.'
如果我们是银河系唯一的智能生命，我们就应该确保我们这个物种的生存和继续繁衍。
Stars with even lower amounts of oxygen and iron offer insight into the birth of the galaxy itself.
那些拥有更少氧气和铁元素的恒星能帮助我们深刻了解银河系本身的起源。
They are experiencing deep love of brotherhood and sisterhood that exists throughout the galaxy.
他们正经历着兄弟姐妹般深深的爱，这爱存在于整个银河系。
NASA’s Swift satellite has captured the best view of a neighboring spiral galaxy that we’ve seen yet.
美国国家航空航天局的雨燕卫星，捕捉到了一个与我们临近的螺旋星系迄今为止最清晰的图像。
We are gradually beginning to realize that the potential for life is ubiquitous throughout our galaxy.
我们慢慢开始意识到生命的可能性在我们的银河中乃是普遍存在的。
Star formation is vital to galaxy evolution and the production of planets, both inhabited and uninhabited.
恒星的形成对星系的演化很重要，对行星的产生也很重要——包括适宜人居住的或者不适宜人居住的行星。
From this simple start, a whole galaxy of Twitter-enabled mobile applications and other tools have sprung up.
从这个简单的起点开始，涌现了大量支持Twitter的移动应用程序和其他工具。
Two spectacular tails of X-ray emission have been seen trailing behind a galaxy using the Chandra X-ray Observatory.
通过ChandraX射线观测台，我们观测到一个星系拖曳着两个由X射线射流组成的壮丽的大尾巴。
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