Supernovas in the Milky Way are the likeliest source for most of the cosmic rays reaching Earth.
银河系中的超新星最有可能是大多数宇宙射线到达地球的来源。
Isn't that strange that the Milky Way is the galaxy that the planet earth is in, and most of us have never seen it?
银河系是地球所在的星系，而我们大多数人从未见过它，这不是很奇怪吗？
Recent findings lend strong support to the theory that a black hole lies at the center of the Milky Way and of many of the 100 billion other galaxies estimated to exist in the universe.
最近的发现有力地支持了这样一种理论，即银河系中心，和宇宙中估计存在的1000亿个其他星系中的许多里有一个黑洞。
We couples who have been separated hate the ruthless "The Milky Way".
我们这些牛郎织女都恨透了那条无情的“天河”。
Globular clusters once ruled the Milky Way.
球状星团曾经统治着银河系。
He sips his beer and gazes up at the Milky Way.
他抿了一口啤酒望着天上的银河。
However, GRBs are rare in galaxies like the Milky Way.
然而，像银河系这样的星系中，伽马射线爆很少发生。
Or that there are over 200 billion stars in the Milky Way?
或者解释解释现在在银河系中有2千亿颗恒星？
"It is the one called 'the Milky Way,'" Dr. Thaddeus falteringly replied.
“它叫银河系。”泰迪斯博士结结巴巴地回答道。
Veiled by cosmic dust, the Milky Way arches over Haleakala Crater on Maui.
蒙着宇宙尘埃的银河拱悬于毛伊岛的哈雷·阿卡拉火山口上空。
The stars are out, brilliant as a desert sky, the Milky Way dense and luminous.
群星闪烁，灿烂得如同在沙漠的天空中一样，银河稠密而明亮。
Astronomers have attempted to measure the mass of the Milky Way since the 1920s.
自上世纪二十年代起，天文学家就尝试着去测量银河系的重量。
This breathtaking composite image shows just how huge the Milky Way really is.
这幅令人叹为观止的合成图像展现了天河究竟有多么的浩瀚无垠。
Spanning 120,000 light years, our galaxy's disc outshines the rest of the Milky Way.
银河系120000光年直径的主盘使它的其余部分相形见绌。
Current theory suggests this number, in the Milky Way, is about 10 new stars per year.
现在的理论给出了这样的数字：在银河系中，每年有大约10颗新恒星诞生。
They also believe such objects could be as common as stars are throughout the Milky Way.
而且他们相信这种星体在银河系中和恒星一样常见。
The revised speed suggests the Milky Way weighs some 3 trillion times the mass of the Sun.
这个修正了的速度表明，银河系的质量大约是太阳的3万亿倍。
We now know that the Milky Way is but one of many galaxies scattered throughout the Universe.
我们现在知道，银河只是宇宙各处散布的众多银河中的一个。
The above spectacular picture of the Milky Way arch, however, goes where the unaided eye cannot.
然而以上这张弧状银河的壮观的图片让我们达到了肉眼看不到的界限。
Another way to probe distant regions in the Milky way is to track the fastest stars near the Sun.
另一个探测银河系中较远区域的方法是追踪靠近太阳的最快的恒星。
But because of Earth's position within the Milky Way, astronomers cannot take such a global view.
但由于地球处于银河系之中，天文学家就不能以上述这样的全局的观点来看。
Galileo also observed that the Milky Way was in fact made up of many millions of individual stars.
伽利略还发现银河系其实是由数百万的恒星组成的。
Somewhere in the Milky Way, astronomers have found a world that sports crucial ingredients for life.
天文学家们已经在银河系的某些地方找到了支持生命的关键成分。
The process would also create large numbers of electrons and positrons at the core of the Milky Way.
这个过程也会在银河中心产生大量的电子和反电子。
One idea is that the Earth will pass through a particular area of space - our galaxy, the Milky Way.
其中一个观点认为，地球会在太空中穿越过银河系。
Looking back at the Milky Way we would see something that resembled a big spiral of glittering stars.
回望银河，我们将看到一些东西汇聚成一个庞大的星光闪烁的漩涡。
That night the Milky Way choked the sky, and we couldn't find the Big Dipper in the twinkling throng.
那天晚上，银河系塞满了整个天空，而我们在众多闪耀的星星中无法找到北斗七星。
Both groups searched for the gamma-ray glow from dark matter in dwarf galaxies orbiting the Milky Way.
两组研究了环绕银河系的矮星系中的暗物质放射的伽马射线。
A few, however, are real whoppers-the products of events far more powerful than occur in the Milky Way.
然而，它们中有少数的确是不容忽视的，星体的产物远比银河系里的更有力量。
A few, however, are real whoppers-the products of events far more powerful than occur in the Milky Way.
然而，它们中有少数的确是不容忽视的，星体的产物远比银河系里的更有力量。
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