New answers tagged planetary-science
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Can astronomical objects repel other bodies if they have a sufficiently strong magnetic field?
Strong magnetic fields (say two magnetars) would exert torques that would flip the bodies until they were attracting each other, unless they are spinning rapidly enough to resist this. However, if ...
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How to define "Earth" so that it is almost 50% oxygen by weight?
It's in the rocks!
The atmosphere is a tiny fraction of Earth's mass; there's no reasonable way of talking about "the Earth" that ends up with gaseous dioxygen making up even a millionth of ...
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