Science ❯ Astronomy ❯ Observational Techniques

X-ray Astronomy

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

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