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Moon had its own shield against the Sun, but it died a billion years ago: MIT Study

R Sinduja
News Editor
Image Credit: shortpedia

According to a new study, the Moon had its own shield against the Sun & it might have been stronger than Earth's, but it disappeared a billion years ago. Scientists believe the moon was closer to the earth 4 bn years ago, the earth helped moon maintain its magnetic field at that time. As the moon moved away, the lunar core started to crystallise about 2.5 bn years ago & once it was completely hardened, the shield vanished.


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