ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] DR. CHARLES GREELEY ABBOT, secretary of the Smithsonian Institution, in a paper at the Bicentennial Conference of the University of Pennsylvania on September 17, stated that he has found periodicities in solar variations, which range in length from 8 months to 273 months, that have continued ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/146564a0