Theory says that during some SMBH mergers, the merger remnant receives a recoil kick from gravitational waves. Instead of sitting placidly in the galactic center, these recoiled SMBH are sent on a pendulum-like motion, back and forth through the galactic…
The region near Sagittarius A-star, the Milky Way's supermassive black hole, is enriched in metals, although only modestly. The likely cause is supernovae explosions, which synthesize elements heavier than hydrogen and helium.…
The JWST has shown us some strange things about supermassive black holes (SMBH) in the early Universe. Many of them are far more massive than we think they should be.…