Search results
21 godz. temu · Hubble's law, also known as the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance. In other words, the farther they are, the faster they are moving away from Earth. The velocity of the galaxies has been determined by their redshift, a shift of the light they emit toward the red end of the visible ...
21 godz. temu · The reaction chamber of the DIII-D, an experimental tokamak fusion reactor operated by General Atomics in San Diego, which has been used in research since it was completed in the late 1980s. The characteristic torus-shaped chamber is clad with graphite to help withstand the extreme heat.. A tokamak (/ ˈ t oʊ k ə m æ k /; Russian: токамáк) is a device which uses a powerful magnetic ...
21 godz. temu · Summary of physics knowledge points in the second volume of the eighth grade of the People's Education Edition Chapter 7 Force 7.1 Force (F) 1, Definition: Note (1) The generation of a force must have a force object and a force object, and there are both ... return. login. Q. Personal Center Settings quit.
