ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Comet Halley has a reddish dark nucleus with a radius of 3±1 km (refs 1, 2). Various observations of OH, H and other volatiles suggest that the core beneath this dark mantle could be the usual dirty ice. Water, the main constituent of the coma, is photodissociated into OH and H by ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/320140a0
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