In Spanish: de Años luz a Millas marinas británicas
Lightyears
A lightyear is the distance that light travels in one year. Since there are various definitions for the length of a year, there are correspondingly slightly different values for a lightyear. One lightyear corresponds to about 9.461e15 m, 5.879e12 mi, or 63239.7 AU, or 0.3066 pc.
UK Nautical Miles
Nautical miles measure distance. 1 nautical mile is the angular distance of 1 minute of arc on the earth's surface. As these differ slightly (6108' at pole c.f. 6046' at equator) 6080 was adopted (this being it's approximate value in the English Channel). The International nautical mile is 1852 metres, so is very slightly different from the UK nautical mile.
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This site is owned and maintained by Wight Hat web development ©2010. Whilst every effort has been made to ensure the accuracy of the metric calculators and charts given on this site, we cannot make a guarantee or be held responsible for any errors that have been made. If you spot an error on this site, we would be grateful if you could report it to us by Email Us and we will endeavour to correct it as soon as possible. Site design by Aaron Rudd, created: Fri 31 Oct 2003, this page last updated: Wed 03 Feb 2010
