How would you measure the masses of objects as big as stars, galaxies and black holes? With solar mass. And you can thank Sir Isaac Newton for that.
Whistler waves are normally produced in the atmosphere by lightning. They could help protect nuclear fusion reactors from runaway electrons.
Phosphorus is an essential element for life — but that there was enough of it for life to start on Earth might just have been a matter of luck, new findings suggest.
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