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汉语拼音：àn wù zhì

由天文观测推断存在于宇宙中的不发光物质。包括不发光天体，以及某些非重子中性粒子等。

• Dark matter gives out no light and is detectable only because of its gravitational effect on visible matter.

  暗物质不发光，它之所以能被发现，只是因为它对可见物质产生引力作用。

• The ray light also likely traces out the location of dark matter.

  X光波段也能描绘出暗物质的位置.

• WHAT KIND OF particle could dark matter be made of?

  暗物质可能是由哪一种粒子组成的 呢 ?

• In this way, it can eliminate the need for dark matter.

  如此一来,暗物质这个假设也就可以抛弃了.

• When the impact happened, the dark matter in the clusters also collided.

  当撞击发生时, 星团中的暗物质也发生碰撞.

• Two unraveled by the gravity of the much larger spiral, NGC 5907.

  被大出许多的漩涡星系NGC5907的引力撕开之后, 这个小质量矮星系所剩下的只有两条星河了——或许还有暗物质.

• Hence we infer that there is dark matter in the Universe.

  因此我们推断出宇宙中存在暗物质.

• The problem is that dark matter is invisible.

  问题在于暗物质看不见.

• That creates an outward bound dark matter traffic jam, which can be seen as the ring.

  这种引力形成了暗物质向外扩张时的交通阻塞, 结果成为所看到的环状.

• Various means of weighing the universe lead us to believe in the presence of dark matter.

  衡量宇宙的各种不同的方法引导我们相信暗物质的存在.

• The clear separation of matter and gas clouds is considered direct evidence that matter exists.

  这种暗物质和辉光云气完全分离的例子,被视为是暗物质存在的直接证据.

• As the Earth makes its way through the Milky Way, it passes through of dark - matter particles.

  另一种方法是在地球上建造探测器,可以在暗物质从太空进入地球时探测到其粒子.

• How much do we actually know about the dark matters?

  关于暗物质我们究竟知道些 什么 ?

• But it does exhibit the tug of gravity.

  然而,暗物质确实能够表现出引力.

• As it moves outward, it's slowed down by the gravity of matter all around it.

  在暗物质向外扩张的过程中, 其扩张速度由于周围物质的引力而减缓.