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Das Banner der Rhetos-Website: zwei griechische Denker betrachten ein physikalisches Universum um sie herum.

Dauer

... heißt auf English: time span

time span means: a period of time rather than a point in time: From the year 1519 to the year 1521 the ships of Ferdinand Magellan sailed around the world. It was a time span of almost three years.