In the past, studies have shown the moon's atmosphere might have been created by either meteor activity or the solar wind.

过去，研究表明月球大气层可能是由流星活动或太阳风造成。

After testing 10 samples of lunar soil, the team concluded that much more of the atmosphere is due to meteor activity than to the solar wind.

在测试了10个月球土壤样本后，该研究小组得出结论，月球大气层更多地是由流星活动造成，而不是太阳风造成。