Siteadmin, Check users, nsTeam1RO, nsTeam1RW, nsTeam1_talkRO, nsTeam1_talkRW, oversight, Administrators
30,650
edits
Changes
Jump to navigation
Jump to search
Line 1:
Line 1: − +
and a type G2V star is what again?
The '''Sun''' is a type G2V star; it 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 planets, including Earth, orbit the sun, as do countless other small objects.
The '''Sun''' 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 planets, including Earth, orbit the sun, as do countless other small objects.
It provides the [[Earth]] with light and heat.
It provides the [[Earth]] with light and heat.