But never fear — this shape-shifting won’t directly affect life on Earth. Over time, changes to this innermost layer could impact the planet’s magnetic field, which shields our world from ...
But never fear — this shape-shifting won’t directly affect life on Earth. Over time, changes to this innermost layer could impact the planet’s magnetic field, which shields our world from solar ...
That’s not even close to the size of the “planet-killer” asteroid that slammed into Earth 66 million years ago and led to the extinction of dinosaurs. That one was estimated to be about 6.2 ...
Yet every so often the field randomly flips its polarity. Were this to happen again today, our north-pointing compasses would point to the South Pole. Strength of the magnetic field at Earth's surface ...
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