Science ❯ Astronomy ❯ Galaxies

Active Galactic Nuclei

Supermassive Black Holes Messier 106 NGC 3783 Blazars Relativistic Jets NGC 1068 Galactic Mergers Quasars Black Hole Winds Black Holes Galactic Outflows SDSS1335+0728 OJ 287 Cosmic Events Episodic AGN AGN Subclasses Messier 77 Galaxy Mergers Broad-Line Regions X-ray Emissions Magnetic Fields Black Hole Flares Seyfert Galaxies Energy Emissions Gravitational Waves VV 340a CAPERS-LRD-z9 Gas Outflows Feedback Mechanisms Type-2 Seyfert Galaxies

Supermassive Black Hole Dust Rings Could Spawn Millions of Planets

Magnetized-disk simulations suggest the cool outer tori of active galactic nuclei let dust survive and grow into very large planets or stellar-mass objects requiring observational tests.

Early-Universe Quasar Defies Models With 13 Times the Eddington Limit, Bright X-Rays and a Radio Jet

Supermassive Black Hole in J1007+3540 Restarts Jets After 100 Million Years

Precessing Black Hole Jet in VV 340a Drives Vast Outflow in Young Disk Galaxy

Wobbling Black Hole Jet in Spiral Galaxy Drives 20,000-Light-Year Gas Outflow

Real-Time Black Hole Flare Triggers Ultrafast Wind at 20% Light Speed

Most Luminous Black-Hole Flare on Record Traced to Star Torn Apart 10 Billion Light-Years Away

Record Black Hole Flare Points to Tidal Disruption of a Giant Star

Record Black Hole Flare Shone With the Light of 10 Trillion Suns From 10 Billion Light-Years Away

Space VLBI Captures Ribbon-Like Jet and Shock Wave at Core of Blazar OJ 287

Supermassive Black Hole Winds Proposed as Source of Ultra-High-Energy Cosmic Rays