Glossary term: 质子
Description: 质子是一种带正电荷的亚原子粒子。质子与中子一样，是原子核的主要组成部分之一。质子的数量就是原子核的 "原子序数"，每个具有特定原子序数的原子对应一种特定的化学元素。氢的原子核是一个质子，恒星中最基本的核聚变反应是两个质子碰撞，其中一个质子衰变，形成由一个质子和一个中子组成的氘核。质子还存在于从外太空射向我们的高能宇宙射线中。
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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
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