Description: 引力常数是宇宙中最重要的常数之一。它由艾萨克-牛顿首次提出。它是牛顿万有引力定律的一部分，该定律表明，所有有质量的粒子都会相互吸引，这种吸引力与粒子质量的乘积成正比、与物体间距离的平方成反比。这个比例常数就是引力常数。通过实验测得的引力常数值为 6.67 × 10-¹¹ m³ kg-¹ s-²。

Related Terms:

• 万有引力
• 质量

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
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