但有时宇宙射线会撞击氮原子，赋予它一个额外的中子。
But sometimes a cosmic ray will collide with a nitrogen atom, giving it an extra neutron.
Page说如果研究人员们继续观测Cas A数十年，他们将看到随着所有中子都成对和额外中微子发射的减少，冷却将减慢。
Page says that if researchers keep watching Cas A for a few decades, they should see the cooling slow down as all the neutrons pair up and extra neutrino emissions fade.
最流行的聚变做法是将两个氘原子结合在一起——氘是带有一个额外的中子的重氢。
Most current fusion efforts look to combine two atoms of deuterium, a heavier version of hydrogen with an extra neutron.
最流行的聚变做法是将两个氘原子结合在一起——氘是带有一个额外的中子的重氢。
Most current fusion efforts look to combine two atoms of deuterium, a heavier version of hydrogen with an extra neutron.
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