Planets that don't currently sport plate tectonics, such as Venus and Mars, are scarcely habitable. Tectonics might be a requirement of any world that aspires to a rich diversity of life.
Related Keywords: World Rich Mars Planets Might Any Plate
Related Authors: Leonardo da Vinci George Carlin Stephen Hawking Isaac Newton Galileo Galilei Rene Descartes Nicolaus Copernicus
