Giant magnetic spirals in the sky could explain why there is something rather than nothing in the universe, according to an analysis of data from NASA's Fermi space telescope.
Our best theories of physics imply we shouldn't be here. The Big Bang ought to have produced equal amounts of matter and antimatter particles, which would almost immediately annihilate each other, leaving nothing but light.
So the reality that we are here – and there seems to be very little antimatter around – is one of the biggest unsolved mysteries in physics.
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