It was an extraordinary feat, representing the first-ever samples ever collected from the side of the Moon that permanently faces away from us.
And the device didn't spare any time, kicking into action and immediately detecting the presence of negative ions, the result of solar wind buffeting the lunar surface. But since the Moon doesn't have a magnetic field, its surface is extremely vulnerable to these charged particles. Unlike positively charged particles, however, they never make it back into orbit, forcing scientists to study them on the surface instead.
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