Prog theor phys suppl online dating

22-Aug-2017 08:23

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Einstein's theory has important astrophysical implications. For example, it implies the existence of black holes—regions of space in which space and time are distorted in such a way that nothing, not even light, can escape—as an end-state for massive stars.

In line with contemporary thinking, he assumed a static universe, adding a new parameter to his original field equations—the cosmological constant—to match that observational presumption.By 1929, however, the work of Hubble and others had shown that our universe is expanding.This is readily described by the expanding cosmological solutions found by Friedmann in 1922, which do not require a cosmological constant.Although general relativity is not the only relativistic theory of gravity, it is the simplest theory that is consistent with experimental data.

However, unanswered questions remain, the most fundamental being how general relativity can be reconciled with the laws of quantum physics to produce a complete and self-consistent theory of quantum gravity.

These equations specify how the geometry of space and time is influenced by whatever matter and radiation are present, and form the core of Einstein's general theory of relativity.