{"version":"1.0","type":"link","title":"Gravitational wave - Newikis","description":"Gravitational waves are ripples in spacetime which are created whenever objects with mass move. They were predicted by Albert Einstein in 1916 on the basis of his theory of general relativity. They were first directly detected on 14 September 2015.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/f/fa/NGC_4993_and_GRB170817A_after_glow.gif","thumbnail_width":500,"thumbnail_height":534}