Ions on the Moon

日期:2017-11-08 02:30:38 作者:盛咖 阅读:

A SPACECRAFT has found oxygen ions on the Moon after ground-based studies failed to detect any. The findings of the WIND spacecraft strengthen the evidence that the Moon has a tenuous atmosphere. The oxygen could come from the ice recently discovered near the lunar poles (This Week, 14 March, p 4). High-energy ions in the solar wind may eject the ions from the lunar surface, says Toni Galvin of the University of New Hampshire,