dark matter中文什么意思

【天文学】暗物质，黑体〔据称宇宙的90%都是由此种不发光的物质组成的〕。

• dark:    adj. 1.暗，暗黑的；微暗的，阴 ...
• matter:    n. 1.物质 (opp. spir ...
• cold dark matter:    【天文学】冷黑体。

例句与用法

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1. 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？
2. They were thus able to study the distribution of dark matter
   暗物质在此刻便露出了马脚。
3. The problem is that dark matter is invisible
   问题是暗物质是不可见的。
4. The problem is that dark matter is invisible
   问题在于暗物质看不见。
5. 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。

英文释义

名词

1. (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force

百科释义

In astronomy and cosmology, dark matter is a type of matter hypothesized to account for a large part of the total mass in the universe. Dark matter cannot be seen directly with telescopes; evidently it neither emits nor absorbs light or other electromagnetic radiation at any significant level.