Rì / xīn / shuō / rèn / wéi / dì / qiú / hé / qí / tā / xíng / xīng / dōu / wéi / rào / tài / yáng / yùn / xíng日心说认为地球和其他行星都围绕太阳运行。The heliocentric theory holds that Earth and the other planets all orbit the sun.