public marks

PUBLIC MARKS from xenomorph with tag astronomy

June 2006


by 3 others (via)
Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.

February 2006

September 2005

Introduction to ArcGIS9

(ArcCatalog, ArcMap, ArcToolbox) [SPACE 2005]

xenomorph's TAGS related to tag astronomy

educational +   gis +   mac-soft +   opensource +   physics +   science +