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Hace 8 horas · Einstein showed in 1915 how his theory explained the anomalous perihelion advance of the planet Mercury without any arbitrary parameters ("fudge factors"), ... Other elements of beauty associated with the general theory of relativity are its simplicity and symmetry, ... On 11 February 2016, ...
Hace 1 día · The tiger (Panthera tigris) is the largest living cat species and a member of the genus Panthera native to Asia.It has a powerful, muscular body with a large head and paws, a long tail, and distinctive black, mostly vertical stripes on orange fur. It is traditionally classified into nine recent subspecies, though some recognise only two subspecies, namely mainland Asian tigers and island ...
