ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Recent measurements have greatly clarified the nature of the stem. It is moving away from Earth at a speed comparable with that of the Crab nebula itself2,3. Proper motion has been observed in one of the knots of the stem, implying a tentative value of 4,000 km s-1 for the motion of the stem ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/313661a0
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