Earth
Did magma rain on the early Earth?
If molten rock once rained onto Earth's surface, it could explain puzzling differences between the chemical compositions of our planet and the moon
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If molten rock once rained onto Earth's surface, it could explain puzzling differences between the chemical compositions of our planet and the moon
A $14.5 billion revamp of New Orleans's flood defences is almost finished, but some say the measures aren't tough and comprehensive enough