Science ❯ Astronomy ❯ Galaxies

Quasars

Merging Quasars Supermassive Black Holes Blue-excess Hot Dust-Obscured Galaxies Massive Objects Light Deflection Galaxy Interactions Spiral Galaxies J1601+3102 Matter Jets Baryon Acoustic Oscillations Galaxy Distribution Gravitational Lensing Cosmic Phenomena Active Galactic Nuclei Black Holes Star Formation Galaxy Mergers Galactic Interactions HerS-3 OJ287 Gravitational Lensing Systems OJ 287 Spin Distribution

Gravitational-Lens Time Delays Deliver New Hubble Constant, Deepening the Tension

A TDCOSMO analysis of eight lensed quasars measures 71.6 km/s/Mpc with 4.5% precision, pointing to larger samples to reach decisive 1–2% tests.

First Radio Image Shows Two Supermassive Black Holes Orbiting in Quasar OJ287

First Radio Image Resolves Two Supermassive Black Holes in Quasar OJ287

Astronomers Capture First Direct Evidence of Quasar Radiation Disrupting Neighboring Galaxy

Astronomers Capture First Evidence of Quasar Radiation Halting Star Formation in Galaxy Collision