x-ray astronomy

(redirected from Cosmic x-ray source)
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x-ray astronomy

n.
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.

X-ray astronomy

n
(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

x-ray astronomy

The branch of astronomy dealing with the detection of objects in space by means of the x-rays they emit.
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References in periodicals archive ?
He led the sounding rocket experiment that discovered the first two non-solar cosmic X-ray sources: the X-ray background and the neutron star Scorpius X-1.
The enormous scope for the L2 mission, with an order of magnitude greater photon grasp and 100 times better spectral resolution than XMM, is underlined by the recently published 3XMM source catalogue containing over 375,000 cosmic X-ray sources.
As this issue of Sky & Telescope went to press the observatory's systems were being checked out in preparation for the next big step: opening the aperture cover and taking Chandra's first images of cosmic X-ray sources.