Science ❯ Astrophysics ❯ Observational Astronomy

Space Telescopes

James Webb Space Telescope NASA Missions Subaru Telescope XRISM Fermi Gamma-ray Space Telescope TESS and CHEOPS James-Webb Space Telescope XRISM Space Telescope NASA Fermi Satellite Hubble Space 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.

Gas Giant HIP 67522 b Triggers Intense Stellar Flares, Accelerating Its Atmospheric Loss