Even a tiny mass means that neutrinos would outweigh all the universe's visible matter, because of their vast numbers.

因为数量巨大，即使是很小的质量也意味着中微子会超过宇宙中所有可见的物质。

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Visible matter has accumulated in areas rich in dark matter.

可视物质也在暗物质丰富的地方聚集起来。

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Visible matter makes up a mere 4% of it. Another 22% is referred to as dark matter.

可见的物质只占宇宙4%，另外22%是暗物质。

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Dark matter was first detected in the 1930s, thanks to its gravitational effects on ordinary, visible matter.

ECONOMIST: Research from the beginning of time

To see which bits of it are dark matter simply requires superimposing the known pattern of visible matter.

ECONOMIST: Cosmology: I spy with my little gravitational lens | The

Indeed, the distribution of mass through the galaxy roughly followed the distributions of visible matter, with no need for exotic new particles.

ECONOMIST: Cosmology