First glimpse of the Birth of Universe::>>> Have we found a message from the dawn of time? Major discovery set for Monday could give scientists their first glimpse of the birth of the universe. Announcement set to be made on Monday is shrouded in secrecy Believed astronomers may have found proof of gravitational waves for the first time Minuscule ripples in the fabric of the universe carry energy across space Could give scientists their first glimpse of how the universe was born. Astronomers are expected to announce they have found primordial gravitational waves - an echo of the big bang in which the universe came into existence 14bn years ago. Described as like a message from the dawn of time, if confirmed it it would be a groundbreaking discovery that would change the face of physics and give scientists their first glimpse of how the universe was born. Gravitational waves, the last untested prediction of Albert Einstein’s General Theory of Relativity, are minuscule ripples in the fabric of the universe that carry energy across space - rather like the waves than travel across an ocean. The signal is rumoured to have been found by a specialised telescope called Bicep (Background Imaging of Cosmic Extragalactic Polarization) at the south pole. It scans the sky at microwave frequencies, where it picks up the fossil energy from the big bang. The team of scientists have only said they will unveil a major discovery in the field of astrophysics on Monday (March 17) in a presentation at the Harvard-Smithsonian Center for Astrophysics (CfA). According to theory, the primordial gravitational waves will tell us about the first, moment of the universe’s history. Cosmologists believe that 10-34 seconds after the big bang (a decimal point followed by 33 zeros and a one) the universe was driven to expand hugely. Known as inflation, the theory is used to explain why the universe is uniform from place to place. However, astronomers have never been able to explain how it happened. Experts say convincing evidence of their discovery would almost certainly lead to a Nobel prize. Gravitational waves, the last untested prediction of Albert Einstein’s General Theory of Relativity, are minuscule ripples in the fabric of the universe that carry energy across space. Experts believe those waves produced in the early universe that may still be detectable by the imprint they left billions of years ago or by the ripples that persist today. Gopalan Sridharans photo.
Posted on: Sat, 15 Mar 2014 13:43:52 +0000
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