The Sun

The sun is the star like many other stars in the universe. The diameter of the sun is more than one hundred times the diameter of the earth, and volume is more than one million times the volume of the earth. It look much bigger than the order stars because it is the closest to one earth. The sun is the entre of the solar system. Nime planets move long their orbits around the sun.

Betwen the earth and the sun there are Mercury and Venus. Mercury is the closest planets to the sun. The seccond panets is Venus. It is larger than Mercury, and it's about as bus as the earth. Farther away from the sun are Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. These plants, except for Mercury and Venus, have moons and the moons move around their planets.


The earth is the third planet frm the sun. This planetis the most important planet because we live on it. Lite is round with two poles, namely North Pole and South Pole. It has two movemenet. It move around the sun in one year and rotates on its axis in 24 hours. The volumet of the earth about 1 sextillion (1 followed by 21 zeroes) cubic metres and the surface is about 510 million sequare kilomatres. On the surface of the earth you find dry land and oceans. Around the earth there is the atmosphere.