Supermassive Black Holes Formation Accretion Disks Characteristics Tidal Disruption Events Quasars Intermediate-Mass Black Holes Supermassive Black Hole Implications Primordial Black Holes Massive Black Holes Growth Milky Way Galaxies M87* Observations Event Horizon Telescope Event Horizon Research Methods Black Hole Growth Tidal Disruption Events (TDEs) Black Hole Activity Black Hole Formation Distant Black Holes Oldest Black Hole Black Hole Mergers Stellar Black Holes Accretion Discs Intermediate-mass Black Holes Study Methods Gravitational Waves Magnetic Fields Accretion Disk Stellar-mass Black Holes Stellar-Mass Black Holes Formation of Black Holes Research Detection Methods Mergers Detection Consequences Sagittarius A* Active Galactic Nuclei Active Black Holes Simulations Milky Way Galaxy Research Studies Comparison Jets Galaxy Evolution Intermediate-Size Black Holes Luminosity Types Challenges Black Hole Environment Jet Formation Future Observations Properties Technology Galactic Nucleus Relativistic Jets Feeding Mechanisms Benefits Black Hole Cosmology Consumption Events Mass Black Hole Activation Importance Spin Speed Black Hole Mass Massive Black Hole Early Universe Massive Black Hole Awakening Influence Factors Dormant Black Holes Microquasars Galaxy Observations Early Universe Black Holes X-ray Polarimeter Satellite Astrophysical Black Holes Hawking Radiation Jet Reorientation Spin Measurement Gravity Feeding Stellar Dynamics Black Hole Outflows Jet Direction Outflows Feeding Efficiency Galactic Nuclei Spin Citizen Science Spinning Star Formation Medium-Sized Black Holes Seeds of Black Holes Galactic Impact Jet Movement Spin Speed Calculation