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- Sagittarius dwarf galaxy 人马矮星系
- The Sagittarius dwarf and other galactic satellites are therefore contributing to the buildup of our own galaxy. 因此，人马座矮星系及其他的卫星星系，对我们银河系的建构具有不凡的贡献。
- BRAD GIBSON and RODRIGO IBATA started working together in 1997 to use observations of the Sagittarius dwarf elliptical galaxy to understand dark matter. 吉布森与伊贝塔自1997年起合作，利用人马座矮椭圆星系的观测资料来理解暗物质。
- Nearly12.5 million light-years away in the dwarf galaxy NGC4449, a veritable stellar" fireworks" is on display. 在近1.;25亿光年远的矮星系NGC4449中，正在展现一场真正的恒星“烟火”。
- Because the dwarf galaxy is so faint, this type of analysis could only be achieved with a large telescope like the Keck, Brodie said. 但为了证明这一点，我们必须证明它们的确是在一起的而不是由于光学透视效应。
- One telltale sign is that black holes are often marked by a compact cluster of stars that surround them, which were pulled from the dwarf galaxy when the black hole escaped. 有证据说明;黑洞的明显标志就是它的周围经常有一群密集的恒星;这是因为黑洞从银河系逃脱的时候所造成的.
- A third inconsistency has to do with the number of dwarf galaxies. 第三项矛盾与矮星系的数目有关。
- It is somewhat unclear, though, whether the ultimate source of this gas is a remnant halo (as proposed by Oort), deep intergalactic space, or even a small dwarf galaxy that the Milky Way swallowed. 虽然如此，我们尚不清楚这些气体的终极来源，究竟是如欧特所倡议的星系冕残留物，是来自星系际空间深处，甚或是被银河所吞噬的小型矮星系。
- We found that in N-body simulations, sattelite haloes can set up a disk-like structure as dwarf galaxies around the Galaxy. 利用数值模拟，发现类银河系的暗晕周围可以存在观测到的矮星系的类似盘状的结构。
- Hierarchical theories predict a proliferation of low-mass dark matter halos and, by extension, dwarf galaxies. 阶式理论预测低质量的黑暗物质晕应该很多，矮星系也是一样。
- Which of the dwarf galaxies we find today were already in existence at the beginning? 我们今日所见的矮星系，哪一个是在很早以前便已存在了呢？
- In the Local Group, as elsewhere in the Universe, however, dwarf galaxies outnumber their larger, shapelier cousins. 在本星系群或者宇宙的其他地方，矮星系都多于形状规则的大型星系同辈。
- For astronomers who study the large-scale structure of the Universe, dwarf galaxies have proven quite vexing. 对研究宇宙大尺度结构的天文学家来说，矮星系很让人恼火。
- Dwarf galaxies like the LMC are considered to be the primitive building blocks of larger galaxies. 像LMC这样的矮星系被认为是构架大型星系的积木。
- Still, many of the small green smudges (see magnified inset) are identified as dwarf galaxies, roughly comparable to the Small Magellanic Cloud. 同时，还有许多小的绿色晕斑（请看扩大的插图）被确认为矮星系，大小与小麦哲伦星云相当。
- A galaxy of film stars attended the premiere. 一群影星参加了首次公演。
- Kleyna grew up on a farm in Maine, enjoys incomprehensible art-house cinema and is now a Parrent postdoctoral fellow at the University of Hawaii, where he mainly studies dark matter in dwarf galaxies. 克莱纳在缅因州的农村中长大，爱看难懂的艺术电影，现在是夏威夷大学的帕伦博士后研究员，其主要研究领域是矮星系里的暗物质。
- The center of our Milky Way Galaxy in the constellation Sagittarius. 我们银河系的中央位于人马座里。
- There is a dwarf apple tree in our garden. 在我们的花园里有一棵矮苹果树。
- Each galaxy contains myriads of stars. 每一星系都有无数的恒星。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
