ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] The origin of the cosmic X-ray background radiation, has remained mysterious since its discovery thirty-five years ago. Investigation of its origin has been difficult because instruments have had insufficient resolution to distinguish small, faint sources in the hard X-ray band (above ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/36047
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