ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] To estimate the interstellar dust density, we make the usual assumption that the number density of the interstellar particles (nIS) is related to the local hydrogen number density in the ratio of 10-12 (see ref. 5). The local hydrogen density within a few parsecs of the Sun has been observed to be ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/275039a0
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