Continuing our top 10 ranges, today we will write about top 10 largest cities in the world by land area.
NASA’s Gravity Probe B (GP-B) mission has confirmed two key predictions from Albert Einstein general theory of relativity, which the spacecraft was designed to test.This experiment was started in 2004. To test the two hypotheses of gravitational was used four ultra-precise gyroscopes, which are the most advanced ever created by mankind spheres. GP-B determined both effects with unprecedented precision by pointing at a single star, IM Pegasi, while in a polar orbit around Earth. If gravity did not affect space and time, GP-B’s gyroscopes would point in the same direction forever while in orbit. But in confirmation of Einstein’s theories, the gyroscopes experienced measurable, minute changes in the direction of their spin, while Earth’s gravity pulled at them. Scientists think that GP-B has confirmed two of the most profound predictions of Einstein’s, which have implications for all astrophysical research.These data are the results at one of thе longest NASA’s projects.
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