x-ray astronomy

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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 ?
No sign of the ULX was found in historical X-ray images made with Einstein Observatory in 1980, ROSAT in 1994, the European Space Agency's XMM-Newton in 2003 and 2008, or NASA's Swift observatory in 2005.
But four decades of space-based research from telescopes such as the Einstein Observatory, the Chandra X-ray Observatory, and XMM-Newton have helped astronomers transcend Earth's limitations.
There have been several very successful X-ray telescopes in space, including the Einstein observatory and the Roentgen satellite (ROSAT).
X-ray mission since the Einstein Observatory in 1979, will study variations as small as one-millionth of a second in the X-ray output of such compact objects as black holes, neutron stars, and white dwarfs in the Milky Way.
Geological Survey's GLORIA Data -- East Coast, or the Smithsonian Astrophysical Observatory's The Einstein Observatory Catalog of HRI X-Ray Sources, The Einstein Observatory Catalog of IPC XRay Sources, or The Einstein Observatory Slew Survey.
space program, including the Defense Support Program (DSP), Einstein Observatory, Galileo probe and the Skylab orbiting space station.
2 (HEAO 2), renamed the Einstein Observatory, carrying a sizable X-ray telescope; the other was the International Ultraviolet Explorer (IUE).

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