ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[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 ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/320140a0
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