Is the universe finite or infinite?

Two possiblities exist: either the Universe is finite and has a size, or it's infinite and goes on forever. Both possibilities have mind-bending implications.

dateMar 27, 2015 in Astronomy
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Theory of the strong interaction verified

The fact that the neutron is slightly more massive than the proton is the reason why atomic nuclei have exactly those properties that make our world and ultimately our existence possible. Eighty years after ...

dateMar 26, 2015 in Quantum Physics
shares143 comments 19