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Registered Member #543
Joined: Tue Feb 20 2007, 04:26PM
Location: UK
Posts: 4992
Legacy of the Big Bang? A century after Albert Einstein's predictions, scientists discover gravitational waves in 'one of the most important goals in cosmology' - The Independent
Intriguing stuff! The big news isn't the discovery of gravitational waves. These have been confirmed before indirectly but quantitatively by the energy loss of closely rotating dual star systems. Novel is the confirmation of cosmic inflation and a first glimpse on an interaction between gravity and quantum physics, which seems to have been nesessary to cause the detected ripples.
Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4059
Also mentioned in the BBC news article is that it suggests a possible route towards a theory of quantum gravity as well as supporting the multiple universe model.
Also see
-A "Bother!" said Pooh, as his spark igniter caught fire...
Registered Member #3414
Joined: Sun Nov 14 2010, 05:05PM
Location: UK
Posts: 4245
"Pinning down inflation may shed some light on the end of the universe, too. Guth and his colleagues favour a theory called eternal inflation, which says that the universe is constantly giving birth to smaller "pocket" universes within an ever-expanding multiverse. We live in one of these pockets, and our cosmos will continue expanding forever until everything is diffuse, dark and cold."
So does this conclusively prove the 'Big Bang theory', or is the 'Oscillating Universe theory' still plausible?
Is there a 'Big Bang' everytime a 'pocket universe' is created, or was the Big Bang the start of the 'Multiverse'?
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Gravitational waves: have US scientists heard echoes of the big bang?
