ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] An optical observation of comet Halley made from a terrestrial observatory at an approximate distance of 1 AU (1.5 x 108 km) will have a directional uncertainty, including the various sources of error, of -2 arc s. This angle is equivalent to a positional error of the comet at the time of ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/321318a0
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