由于氢原子阻拦光线，年轻的宇宙进入了“黑暗时期”。
Because hydrogen atoms trap light, the young universe entered its "dark ages."
但是在宇宙学中间，接下来的500万年被叫做黑暗时期。
But the ensuing 500 million years are the so-called dark ages of cosmology.
接着，是一个长长的沉闷的黑暗延伸时期，在这个过程中，一些小小的涟漪开始划过宇宙这平滑的幕布。
A long stretch of boring darkness ensued, during which some ripples began to ruffle the otherwise smooth fabric of space.
ALMA可望观测到黑暗时期的宇宙——一个宇宙最初形成星云的时代。
ALMA is expected to see into what's called the Dark Ages of the universe — a time when the universe's very first stars were forming.
黑暗时期：根据当代科学，太空、时间和物质都是起源于137亿年前的一次大爆炸，我们称之为——宇宙大爆炸。
The DARK AGE: According to current science, space, time and matter originated 13.7 billion years ago in a tremendous explosion called the Big Bang.
黑暗时期：根据当代科学，太空、时间和物质都是起源于137亿年前的一次大爆炸，我们称之为——宇宙大爆炸。
The DARK AGE: According to current science, space, time and matter originated 13.7 billion years ago in a tremendous explosion called the Big Bang.
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