ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Although it was known4 from the Mariner 9 images obtained in 1971-72 that the surface of Phobos is heavily cratered, the discovery of the grooves by the Viking Orbiters came as a surprise. An effective resolution of 〈70m is needed to see grooves well, whereas the best resolution achieved by ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/273282a0