Exploring Geographic and Geometric Relationships Along a Line of Ancient Sites Around the World (cont)

By Jim Alison

UTILITIES

• On Top of the World, 3-D world atlas shareware, is freely available in demo versions on the internet, and will precisely draw the line around the center of the Earth with good distance measurement and zoom features.
• VectorGlobe is an easy to navigate 3-D world atlas with excellent topographical, bathymetric and political features, and a huge database of sites.
• The Cosmi 3-D world atlas is easy to navigate and offers very wide angle views of the Earth. Also contains a selection of flat projection maps.
• The NASDA/MITI website has satellite images of the world's rainforests, with an easy to navigate image browser.
• The Geometer's Sketchpad is freely available in demo versions on the internet, and will draw diagrams with distance and angle measurements.
• How far is it is a freely available internet utility that provides great circle distances from cities or lat-long coordinates.