ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] A comet nucleus is itself too small to be observed from the Earth, but as it approaches the Sun, mass is lost as an expanding atmosphere composed of dust, molecules, radicals and molecu-lar ions is formed. The molecules undergo complicated chemical reactions in the inner regions of the cometary ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/363326a0
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