Linked from

The 61 pages that link to X-ray astronomy, each with the reason it gives.

• Galaxy clusterRelated: X-ray observations map the hot gas that pervades galaxy clusters.

• Dark matter haloRelated: Hot gas in cluster halos emits X-rays that help trace their gravitational potential.

• Supernova remnantRelated: Hot shocked gas and compact objects make many remnants bright X-ray sources.

• TelescopeRelated: X-ray telescopes detect energetic phenomena that visible-light instruments cannot show.

• X-rayRelated: High-energy celestial sources produce X-rays that reveal hot and energetic environments.

• Charge-coupled deviceRelated: Specialized CCDs measure X-ray photon energies as well as their arrival positions.

• Seyfert galaxyRelated: Hard X-rays probe Seyfert accretion regions, including nuclei hidden at optical wavelengths.

• Coma ClusterRelated: Hot gas in Coma radiates X-rays, exposing matter that optical images miss.

• Intergalactic mediumRelated: X-ray observations detect the hottest intergalactic gas around galaxy groups and clusters.

• Tidal disruption eventRelated: X-rays can trace hot gas near the black hole during a disruption flare.

• Inverse Compton scatteringRelated: Scattered cosmic background and ambient photons often emerge in the X-ray band.

• Stellar flareRelated: X-ray observations trace the hot plasma produced during energetic flares.

• Centaurus ARelated: X-ray observations trace hot gas, compact sources, and energetic activity in Centaurus A.

• Carina NebulaRelated: X-ray observations trace hot plasma and energetic stellar interactions in the complex.

• Circumgalactic mediumRelated: Hot circumgalactic gas in massive halos emits detectable X-rays.

• Shapley SuperclusterRelated: X-ray observations reveal the hot gas that marks and characterizes massive clusters in the region.

• Warm–hot intergalactic mediumRelated: X-ray observations can detect the hottest and densest portions of the medium.

• Whirlpool GalaxyRelated: X-ray observations of M51 trace energetic sources and hot gas within the interacting system.

• Stellar coronaRelated: Hot stellar coronae emit X-rays, making this a principal way to study them.

• Missing baryon problemRelated: X-ray observations measure the hottest gas in galaxy groups and clusters.

• X-ray detectorRelated: Space instruments need detectors that register faint, energetic photons and often measure their energies.

• Abell 1689Related: X-ray observations trace the cluster’s hot gas and help assess its physical state.

• Aerobee rocketRelated: Aerobees lifted detectors above the atmosphere, which absorbs most cosmic X-rays.

• Perseus ClusterRelated: X-ray observations map the cluster’s hot gas and expose its central cavities.

• Kepler's SupernovaRelated: X-ray observations map the remnant’s hot shocked gas and reveal its elemental composition.

• NGC 4151Related: X-ray observations track rapid changes in NGC 4151’s accretion-powered core.

• Messier 15Related: X-ray observations of Messier 15 reveal energetic binaries and compact stellar remnants.

• Messier 49Related: X-ray observations reveal hot gas around Messier 49 and its interaction with the Virgo environment.

• NGC 5548Related: X-ray observations probe hot gas and changing absorption around NGC 5548’s black hole.

• Black hole astronomyRelated: Hot gas near stellar-mass black holes often shines strongly in X-rays.

• Cygnus LoopRelated: X-ray observations reveal the Loop’s hottest shocked gas, hidden from optical views.

• Galaxy groups and clustersRelated: X-ray observations map the temperature and density of intracluster gas.

• Superconducting detectorRelated: Transition-edge microcalorimeters resolve the energies of individual incoming X-ray photons.