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19 godz. temu · In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein 's 1905 treatment, the theory is presented as being based on just two postulates: [p 1] [1] [2] The laws of physics are invariant (identical) in all inertial frames of reference ...
19 godz. temu · Svalbard (/ ˈ s v ɑː l b ɑːr (d)/ SVAHL-bar(d), Urban East Norwegian: [ˈsvɑ̂ːɫbɑr]), previously known as Spitsbergen or Spitzbergen, is a Norwegian archipelago in the Arctic Ocean.North of mainland Europe, it lies about midway between the northern coast of Norway and the North Pole.The islands of the group range from 74° to 81° north latitude, and from 10° to 35° east longitude.
