Chapter 1 – The Earth as a Rotating Planet
Nova - Lost at Sea – The Search for Longitude. This web site from the PBS series Nova, outlines the problems involved with developing an accurate system of longitude for navigation.
NOAA Digital Topographic Atlas provides many different topographic maps using digital elevation models.
TopoZone – Topographical Maps for the entire US
CyberInstitute Short Course on GIS. This short on-line course is a good introduction to Geographic Information Ssystems.
Interactive mapping site from Cornell allows users to create their own customized maps of many areas. Read the users guide if you are using it for the first time.
The Great Globe Gallery. This web site provides many images of globes of all sorts including historical views of the world as well as modern three-dimensional views.
WorldTime Interactive Atlas provides an interactive globe that allows you to point and click to find out the longitude, latitude and current time.
World Time Server provides the current time and location of any country, including the different states of the US and provinces of Canada.
Guide to Arctic Sunrise and Sunset. This web site shows the hours of daylight and darkness for each day of the year for three latitudes in the Arctic region.
SunAngle - calculate solar angles and related information for a given location, date, and time.
SunPosition – calculate the position of the sun and related information for a given location, date, and time.
Interactive World Time Zone Map provides a variety of ways to view the world’s different time zones.
Calendars through the ages. This web site provides a detailed historical of calendars with a multi-cultural perspective.
Tracking the North Magnetic Pole. It is important to remember that the geographic poles and the magnetic poles are different. This web site shows you how the magnetic north pole is moving.
Multimedia Tour of the Sun. This site from the Netherlands gives a clear and concise tour of the Sun, and explains the processes and features of our nearest star.
Animation of seasons. This web site shows the Earth orbiting around the Sun and how the declination changes. It has a useful stop feature so you can pause to evaluate the seasonal changes.
Tutorial on Global Positioning Systems or GPS by Trimble, a leading manufacturer of GPS equipment.