ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Cepheids are a class of variable (pulsating) stars whose absolute luminosities are related in a simple manner to their pulsational periods. By measuring the period and using the ‘period–luminosity’ relationship, astronomers can use the observed visual brightness to ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/35035015
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