Digitale Medien
[s.l.]
:
Nature Publishing Group
Nature
123 (1929), S. 644-644
ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] I HAVE been trying for the past ten years to interest the astronomers in having photographs of stellar spectra made during the long arctic or antarctic night, on the chance that the ultra-violet cut off due to ozone may be less powerful, and I mentioned it to Prof. Russell last spring. I have ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/123644c0
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