7 months agoIf light has no mass, why is it affected by gravity? General Relativity Theoryscientificnotation
8 months agoIf light has no mass, why is it affected by gravity? General Relativity TheorySCIENTIFICWAYS
3 years agoNo Lensing Observed in Orbits Around Alleged Black Hole for 14 Years - Max Planck Instituteverbz