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Our Expanding Universe Age History Other Facts Space ~ Expanding universe In the 1920s astronomer Edwin Hubble discovered the universe was not static Rather it was expanding a find that revealed the universe was apparently born in a Big Bang

Expanding universe cosmology Britannica ~ Expanding universe dynamic state of the extragalactic realm the discovery of which transformed 20thcentury cosmology The development of general relativity and its application to cosmology by Germanborn physicist Albert Einstein Dutch mathematician Willem de Sitter and other theoreticians

Expansion of the universe Wikipedia ~ The expansion of the universe is the increase of the distance between two distant parts of the universe with time It is an intrinsic expansion whereby the scale of space itself changes The universe does not expand into anything and does not require space to exist outside it Technically neither space nor objects in space move

The Expanding Universe ~ The expanding universe a new idea based on modern physics laid to rest the paradoxes that troubled astronomers from ancient times until the early 20th Century Properties of the Expanding Universe The equations of the expanding universe have three possible solutions each of which predicts a different eventual fate for the universe as a whole

The Expanding Universe and Hubble’s Law The Big Bang and ~ Hubble showed that in our expanding universe every galaxy is rushing away from us with a speed which is in direct proportion to its distance known as Hubble’s Law so that a galaxy that is twice as far away as another is receding twice as fast one ten times as far away if receding ten times as fast etc

Hubble law and the expanding universe ~ Expanding Universe The distant galaxies we see in all directions are moving away from the Earth as evidenced by their red shifts Hubbles law describes this expansion The fact that we see other galaxies moving away from us does not imply that we are the center of the universe

Accelerating expansion of the universe Wikipedia ~ The accelerating expansion of the universe is the observation that the expansion of the universe is such that the velocity at which a distant galaxy is receding from the observer is continuously increasing with time The accelerated expansion was discovered during 1998 by two independent projects

Hubble Finds Universe Expanding Faster Than Expected NASA ~ Astronomers using NASA’s Hubble Space Telescope have discovered that the universe is expanding 5 percent to 9 percent faster than expected

Properties of expanding universes ~ Chapter 2 deals with perturbations of an expanding homogeneous and isotropic universe The conclusion is reached that galaxies cannot be formed as a result of the growth of perturbations that were initially small The propagation and absorption of gravitational radiation is also investigated in this approximation