1、

As the universe expands, these galaxies stay the same size.

当宇宙扩张之时, 星系的大小保持不变.

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2、

This law is known to hold true for galaxies at a distance of at least several billion light years.

据知,这条定律同样适用于距离至少几十亿光年之远的星系。

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3、

The universe as a whole contains billions of comparable galaxies.

整个宇宙,包含亿万个可以比拟的银河系.

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4、

They reported that younger galaxies should be significantly bluer.

据他们报道,较年轻的星系颜色应该显著地偏兰.

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5、

To explain this, they hypothesise that galaxies must contain a great deal of missing matter which cannot be detected.

为了解释这一点,他们假定各星系一定包含了大量无法探测到的不明物质。

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6、

Spiral galaxies are considered to be gravitationally bound configurations of stars.

旋涡星系被认为是由恒星组成的引力束缚系统.

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7、

The universe seems to be rapidly expanding its component galaxies moving ever farther apart.

宇宙似乎在膨胀,它的组成部分――星系互相离得越来越远.

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8、

Other galaxies are placed irregularly in space.

其它星系不规则地位于太空中.

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9、

Cosmologists are debating the possibility that turbulence causes galaxies to form.

宇宙学家正在争论湍流导致星系诞生的可能性.

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10、

They turned their telescopes towards other nearby galaxies.

他们把望远镜转向附近其他星系。

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11、

There is a curious feature in the spectra of spiral galaxies.

在旋涡星系的光谱中有一种奇妙的特征.

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12、

We still don't know how many galaxies there are in the universe.

我们还不知道宇宙中有多少个星系.

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13、

Most galaxies occur in pairs or in small multiple groups.

大多数星系成双或几个成一小群.

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14、

Galactic surveys show that distant galaxies are not as evenly distributed in space as theory predicts.

对银河系的研究表明,遥远星系在太空中的分布并不像理论所预言的那样均匀。

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15、

Quasars are the highly energetic cores of distant galaxies.

类星体是遥远星系的极为活跃的核心体.

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16、

We'll encounter galaxies and suns and planets, life and consciousness, coming into being, evolving and perishing.

我们将会遇到银河和太阳,行星, 生命和意识不断的存在, 进化和毁灭.

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17、

Quasars or dwarf galaxies would scatter the elements more unevenly.

类星体或矮星系可使这些元素散布得更不平均.

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18、

Now It'seems that starbursts can . in their turn , nudge the galaxies they occur in.

目前一般认为,星群爆发能够 反过来 对所在星系产生作用.

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19、

The War of Galaxies is playing at the Roxy.

罗克西影院正在上映《星球大战》.

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20、

It travels in space with two satellite galaxies, the irregular little Clouds of Magellan.

它带着两个卫星星系在空间穿梭, 卫星星系是不规则的小麦哲伦星云.

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