#astronomy #BlackHoles #SMBH #OJ287 An article published in “The Astronomical Journal” reports observations of the #blazar OJ 287 conducted by combining different radio telescopes in various areas of the world and the RadioAstron antenna in space.
https://english.tachyonbeam.com/2022/02/10/a-radio-telescope-combination-to-study-the-blazar-oj-287/