What is Astronomical Almanac?
{{italictitle}} The '''''Astronomical Almanac''''' is a book published each year by the [[United States Naval Observatory]] and [[Her Majesty's Nautical Almanac Office]]. It includes information on [[astronomy]] such as the setting and rising times of the sun, moon, planets and stars, as well as [[eclipse]]s. It has been published since 1767.<ref name=collins>{{cite web |url= http://www.credoreference.com/entry/collinsastron/astronomical_almanac |title=Astronomical Almanac |work=Collins Dictionary of Astronomy |year=2006|access-date=16 June 2011}}</ref> In 1981 the American and British publications were combined.<ref name=collins/> The information in the almanac is used by [[astronomer]]s, [[navigator]]s, [[surveyor]]s and space scientists. Using the information it would be possible to work out your position on Earth to within 500 metres.<ref>{{cite encyclopedia |url= http://www.credoreference.com/entry/conscitech/almanac |title=Almanac |encyclopedia=McGraw-Hill Concise Encyclopedia of Science and Technology |year=2006|access-date=16 June 2011}}</ref> ==References== {{reflist}} {{sci-stub}} [[Category:Astronomy]] [[Category:Navigation]] [[Category:Reference works]] [[fa:زیج]]