Our magnetosphere plays the role of gatekeeper, repelling unwanted energy that's harmful to life on Earth, trapping most of it a safe distance from Earth's surface in twin doughnut-shaped zones called ...
Space.com on MSN
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." ...
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