In ancient times it was believed that all other planets are revolving around Earth including The sun. At that time, Indian astronomer Aryabhatta argued that all planets are moving around sun. Aryabhatta was first to discover this, but world gave this credit to European scientist Nicholaus Copernicus. Aryabhatta was also the inventor of zero. He also described these things in … [Read more...] about The Great Astronomer And Mathematician:Aryabhatta