Google earth is a world map viewer. It can show 3D buildings and bridges in 3D view. It shows satellite pictures by default. The latest version also includes sky viewer. See http://earth.google.com/ for more details. Google Earth is available in the Medibuntu Package archive. First add Medibuntu to your package list echo "deb http://packages.medibuntu.org/ gutsy free non-free" | sudo tee -a /etc/apt/sources.list Second add the PGP key of Medibuntu to you keyring