ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Although quasars were originally discovered on the basis of strong radio emission, it now seems that most optically selected quasars are undetectable as radio sources1-4. In fact, most optically selected quasars show no clear evidence, at any frequency, for synchrotron radiation. For most quasars, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/283357a0
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