to ARKive, a unique collection of thousands of videos, images and fact-files illustrating the world's species.You can explore and search ARKive'scontinually expanding multi-mediacollection via the navigation bar at the top of every page.
"Wildlife films and photos are vital weapons in the battle to save the world's endangered species from the brink of extinction.
So with the help of the world's best filmmakers, photographers, conservationists and scientists, ARKive is creating the ultimate multimedia guide to the world's endangered animals, plants and fungi."
This Web site shows some of their mistakes, provides a timeline of events, gives biographies of a few of the people who have gotten us where we are today, and lists resources you can use to learn more.
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.
It is being used in planetarium projectors. Just set your coordinates and go.