‘Magnetic anomalies’ could also be defending the moon’s ice from melting

In 2018, NASA astronomers discovered the primary proof of water ice on the moon. Lurking within the backside of pitch-black craters on the moon’s north and south poles, the ice was locked in perpetual shadow and had seemingly survived untouched by the solar’s rays, probably for thousands and thousands of years.

The discovery of water ice got here with a contemporary thriller, nonetheless. While these polar craters are shielded from direct daylight, they don’t seem to be shielded from photo voltaic wind, waves of charged particles that gush out of the solar at a whole lot of miles a second. This ionized wind is very erosive and may have destroyed the moon‘s ice way back, Paul Lucey, a planetary scientist on the University of Hawaii, advised Science. And in contrast to Earth, the moon now not has a magnetic defend to guard it from the brunt of those charged particles.

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