Discover From This Page & Topic: [Discover] planetarium
[Discover] Planetarium for the Palm Computing Platform http://www.aho.ch/pilotplanets/
(software palm planetarium reference) 
[Discover] Palm Software Download - Planetarium DE für Palm, Treo, Tungsten, TX, Zire: ... http://pdassi.de/product.php?prod_id=4654&xsearch=planetarium (planetarium pdassi software palm)
[Discover] Stellarium http://stellarium.sourceforge.net/ (astronomy planetarium space science)
[Discover] space simulation that lets you explore our universe in three http://celestia.sourceforge.net/ (planetarium science astronomy space)