ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] It has been shown for several galaxies1, including our own2, that the observed differential rotations will, within less than 109 years, transform an initially structureless interstellar cloud into a spiral arm having a pitch like that of observed arms. Since spiral structure presumably persists for ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/189907a0
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