Universes has discussions about various theories of the universe as well as how it began and thoughts on how it will end. Also included are ideas that are still problematic to many scientists as well as related Web sites and a list of books. An online newspaper about what is happening in space. Each of the many subtopics provides a trove of knowledge assembled by a senior chemist at the United States Geological Survey, home to this Website. The scientific descriptions strike an excellent balance in being both short and clear for the new student to a topic, while giving basic scientific principles useful to more advanced students.
Illustrations add understanding and interest.
The section on air bubbles, amber, and dinosaurs displays a mosquito which has been preserved in amber for 45 million years, and the isotope discussion is illustrated with cartoon parent and daughter decaying by half-lives. This site is available in a North American Version as well as a World Wide Version , that saves download time, and a Text and Figure Captions Only for printing a paper copy. Volcano World sponsored by the University of North Dakota. Developed at the University of Michigan with funding from NASA .