centre-of-the-universe (SONY ILCE-7R FE 50mm F2.8 Macro [50mm,f4.5,1/80s,ISO100])
They say the Galactic Centre contains many stars, all revolving around a supermassive black hole, surrounded by interstellar dust and molecular gas. Some stars explode and become supernovae, generating relativistic jets (beams of ionised matter).