Assertion: cosmic ray | /r/CapableOf | strike the atmosphere
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Source sentences:
text: In his presentation, the renowned Danish scientist showed how solar activity modulates the cosmic rays striking the atmosphere, and thus the climate-impacting cloud cover.
text: Over geological history, especially when the Earth traveled through one of the spiral arms of the Milky Way, cosmic rays striking the atmosphere were very intense and thus led to extremely cold conditions known as the Snowball Earth episodes.