| | [[Image:Moooghj.jpg|right|thumb|Sun, the small blue dot on the upper-right corner is Earth.]] | | [[Image:Moooghj.jpg|right|thumb|Sun, the small blue dot on the upper-right corner is Earth.]] |
| | The '''Sun''', or [[Sol]], is the star at the center of the solar system, and it accounts for over 99% of the [[mass]] of the solar system. By mass, it is composed of 72% [[hydrogen]], 26% [[helium]] and 2% trace elements of [[oxygen]], [[carbon]], [[neon]], [[nitrogen]], [[magnesium]], [[iron]], and [[silicon]].<ref>[http://www.nasa.gov/worldbook/sun_worldbook.html World Book Encyclopedia @ NASA]</ref> The eight [[planet]]s, including Earth, orbit the sun, as do countless other small objects. | | The '''Sun''', or [[Sol]], is the star at the center of the solar system, and it accounts for over 99% of the [[mass]] of the solar system. By mass, it is composed of 72% [[hydrogen]], 26% [[helium]] and 2% trace elements of [[oxygen]], [[carbon]], [[neon]], [[nitrogen]], [[magnesium]], [[iron]], and [[silicon]].<ref>[http://www.nasa.gov/worldbook/sun_worldbook.html World Book Encyclopedia @ NASA]</ref> The eight [[planet]]s, including Earth, orbit the sun, as do countless other small objects. |