{"version":"1.0","type":"link","title":"Null infinity - Newikis","description":"In theoretical physics, null infinity is a region at the boundary of asymptotically flat spacetimes. In general relativity, straight paths in spacetime, called geodesics, may be space-like, time-like, or light-like (also called null). The distinction between these paths stems from whether the…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}