Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
224 (1969), S. 870-872
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] New gamma ray observations have provided what may be evidence for primordial cosmic ray sources existing out to redshifts of the order of 100. These sources may be galaxies and quasars in their initial stages of formation. They may have provided the basic energy source for ionizing the ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/224870a0
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