Science ❯ Physics ❯ Cosmology

Space-Time

Cosmic Objects Curved Space-Time Gravitational Effects Mass and Energy Gravitational Wave Detection

Astronomers Measure First Black-Hole Recoil, Tracing Newborn’s 3D Flight From 2019 Merger

High-order harmonics in event GW190412 let researchers derive a roughly 50 km/s kick solely from gravitational-wave data.