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Super-Earth exoplanets may have built-in magnetic protection from churning magma — and that's good news for life
"A strong magnetic field is very important for life on a planet." ...
Microscopic evidence reveals how cooling magma chambers were recharged by fresh volcanic injections 2.5 billion years ago to ...
4.5 billion years ago, amid the chaos of the early solar system, the young Earth was rocked by a cataclysmic collision with another planet the size of Mars. The debris flung into space eventually ...
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