x-ray astronomy(redirected from X-Ray Galaxy)
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The branch of astronomy that uses observations of emissions in the x-ray part of electromagnetic spectrum to study extraterrestrial sources such as stars, galaxies, and interstellar gas clouds.
(Astronomy) the branch of astronomy concerned with the detection and measurement of X-rays emitted by certain celestial bodies. As X-rays are absorbed by the atmosphere, satellites and rockets are used
The branch of astronomy dealing with the detection of objects in space by means of the x-rays they emit.