Predicted by Einstein as a consquence of his general theory of relativity, gravitational waves are suspected to be a form of curvature in the fabric of reality.
The theory of relativity describes gravity as the visible result of curvatures in space-time which are caused by mass.
Heavy objects cause space time to 'bend', and attract other objects towards them. This is often explained with the metaphor of a heavy ball on a sheet of rubber, bending the surface towards the source of the weight.
http://www.huffingtonpost.co.uk/2013...n_3207194.html
Scientists have found evidence for the existence of gravitational waves and support for cosmic inflation. Gravitational waves are a prediction of Einstein’s theory of general relativity,can distort space-time. Gravitational waves can be thought of as waves in the fabric of space-time, which simultaneously stretch and compress different regions of space-time. Massive objects, such as black holes, bend space-time around them, and when objects move they create ripples in space-time. Imagine a duck swimming through a lake: as she moves forward she pushes the water away from her and creates a wake behind herself. This is what massive objects do when they move through space. Stars in a binary that orbit one another will create ripples in space-time that propagate outwards as gravitational waves.
http://saoastronews.wordpress.com/20...ational-waves/
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