Science ❯ Astronomy ❯ Observational Astronomy

X-ray Astronomy

Chandra X-ray Observatory X-ray Emissions XMM-Newton and XRISM Einstein Probe Radio Emissions 511-keV Emission Line eROSITA Telescope Data Analysis Supermassive Black Holes Space Telescopes X-ray Transients Chandra Observatory XRISM Mission X-ray Telescopes X-ray Emission X-ray Emission Mechanisms Spectral Analysis Ginga Satellite XMM-Newton Spacecraft XMM-Newton Telescope

XRISM Confirms White Dwarf Powers Gamma Cassiopeiae’s Extreme X-Rays

The result pins the emission on accretion onto a magnetic white dwarf, prompting updates to models of how massive binaries evolve.

Chandra’s 25-Year X‑Ray Timelapse Charts Uneven Expansion of Kepler’s Supernova Remnant

New Chandra Image Reveals 'Champagne Cluster' as Two Merging Galaxy Clusters

Brightest Blue Cosmic Flash Linked to Black Hole Tearing Apart a Massive Star, Studies Find

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

Chandra Finds Early Quasar’s Black Hole Growing Beyond the Eddington Limit