Science world presents information compiled over more than a decade by internet encyclopedia expert Eric W. Weisstein. The website contains encyclopedias of astronomy, where you can read about atmospheres, galactic astronomy and the solar system,  of scientific biographies, where you can get information about subjects such as historical periods or nationality, and of chemistry, where you can find out about chemical reactions, mineralogy, inorganic chemistry, and organic chemistry. Science world also features a physics section, offering information about astrophysics, experimental physics, fluid mechanics, modern physics and more.