the sun is the star of our solar system the earth and other matter orbit the sun, which by itself accounts for more than 99% of the solar systems mass.
energy from the sunin the form of insolation from sunlightsupports almost all life on earth via photosynthesis, and drives the earths climate and weather.
the sun is sometimes referred to by its latin name sol or by its greek name helios. its astrological and astronomical symbol is a circle with a point at its center: . some ancient peoples of the world considered it a planet before the acceptance of heliocentrism.
上一篇： 2014中考英语作文热点话题：保护环境
下一篇： 2012年中考英语作文素材大全