Supermassive Black Holes Early Universe Galaxy Formation Galaxy Clusters Large Magellanic Cloud Black Holes Remote Galaxies Gravitational Dynamics Basins of Attraction Superclusters Euclid Space Telescope Microquasars Sagittarius Constellation Galaxy Interactions Gravity Interstellar Medium Star Systems Spiral Galaxies Milky Way Dark Energy James Webb Space Telescope Active Galaxies Cosmic Optical Background Hubble Ultra Deep Field Cosmic Web