ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] At present, quasars are the only objects that can be found in significant numbers at large redshifts and are useful in a variety of studies related to the early history of the Universe. Individual quasars are interesting in themselves and they may also be used as probes, to study the properties of ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/325131a0
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