Everything about LIGO and the Gravitational Waves

LIGO detector at Hanford, Washington. Credit : LIGO Laboratory "Ladies and gentlemen, we have detected gravitational waves. We did it!". Yesterday (11 Feb 2016), physicists at LIGO, officially declared the discovery of gravitational waves . Rumours have been spread months before the declaration and medias were going frenzy. Scientific world was eagerly waiting. Words of the notable physicist, Lawrence Krauss, before the official declaration, "New era in Astronomy and Physics could begin" . It is said to be the discovery of the century. But why this fuss? Why scientists are going crazy about this? Is it going to change our understanding of the Universe? Credit : sciencenews.org First let us know what a gravitational wave is. The concept of gravitational wave was put forth by the renowned scientist, Albert Einstein , through his mind numbing, General Theory of Relativity. According to General Relativity, space and time are aspects of a single measurable reality c...