Lorg
Cruthaich an duilleag "International+Earth+Rotation+and+Reference+Systems+Service" air an uicidh seo! Faic an duilleag a chaidh a lorg ri linn na lorg thu cuideachd.
An Talamh (planaid) (ag ath-sheòladh o Earth) International Earth Rotation and Reference Systems Service. Air a thogail 23 dhen t-Sultain 2008. Williams, David R. (1 An t-Sultain 2004): “Earth Fact... |