ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] SIR-Some ancient Babylonian, Graeco-Roman, and mediaeval texts' have sug-gested that Sirius might have been red in the past. In particular, Ptolemy (AD 150) classified Sirius as hipokkiros (reddish) with stars like Arcturus, Aldebaran, Pollux, Antares and Betelgeuse, all of which have B-V colours ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/347625a0
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