Category: Astronomy

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Fundamental Symmetry

Scientists from the University of Sao Paulo (USP) and the University of Campinas have made precise measurements of particle mass and electric charge that confirm the existence of a fundamental symmetry in nature.

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Galaxy Collision

When two galaxies come very close to each other, they collide. Scientists believe that elliptical galaxies are mostly products of the process of collision. This video explores the phenomenon.

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