Earth–Sun distance changes from slippery equation to single number.
This is a preview of subscription content, access via your institution
Access options
Access to this article via ICE Institution of Civil Engineers is not available.
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on SpringerLink
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Change history
14 September 2012
The article originally stated that under the old definition the au would shift by a thousand kilometres if calculated from the orbit of Jupiter. It would in fact change by a thousand metres. The text has been changed to reflect this.
Related links
Related links
Related links in Nature Research
Time is running out for the leap second 2011-Nov-08
Kilogram adjustment courts controversy 2011-Jan-27
Metrology: The new and improved kelvin 2009-Jun-17
Related external links
The new definition of the Astronomical Unit
Rights and permissions
About this article
Cite this article
Brumfiel, G. The astronomical unit gets fixed. Nature (2012). https://doi.org/10.1038/nature.2012.11416
Published:
DOI: https://doi.org/10.1038/nature.2012.11416