cosmic ray intensity

例句：

1. 1. The cosmic rays from the sun are responsible for the formation of elements heavier than helium.
   来自太阳的宇宙射线是形成比氦重的元素的原因。
2. 2. The study of cosmic rays has led to important discoveries about the nature of dark matter and dark energy.
   对宇宙射线的研究已经导致了关于暗物质和暗能量本质的重要发现。
3. 3. The intensity of cosmic rays varies greatly depending on the altitude and direction of the source.
   宇宙射线的强度根据源的高度和方向有很大的变化。