Science ❯ Astronomy ❯ Observational Techniques

X-ray Astronomy

Chandra X-ray Observatory Radio Astronomy X-ray Telescopes Chandra Observatory Infrared Astronomy X-ray Weakness Resolve Instrument XMM-Newton NASA Missions

XRISM Pinpoints Chlorine and Potassium Surplus in Cassiopeia A, Challenging Supernova Models

The results point to vigorous internal mixing in massive stars, motivating XRISM observations of other remnants.

New X-Ray–Radio Composite of the ‘Cosmic Hand’ Exposes Odd Mismatches in Pulsar Nebula

NASA Releases Multi-Wavelength Composite Image of Andromeda Galaxy