ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The interstellar medium (ISM) is an ensemble of gas clouds and dust, composed mainly of hydrogen (either atomic H i or molecular H2) and helium (~25% by mass), with other elements present in trace amounts (dust is only ~1% in mass). The bulk of the ISM is distributed in cold clouds (temperature, T ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/383056a0
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