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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." ...
Earth’s origin story has always had missing pages, from the chemistry of its first crust to the ingredients that seeded life. Now, a series of breakthroughs, from asteroid samples to ancient rocks ...
Measurements of seismic waves over many years suggest the Earth's core is deformed and reshaped by conditions of extreme heat and pressure.
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