The sun is in the center of the solar system.

The sun is the ultimate source of heat and light for thr solar system

The sun is about 150 million km away from the earth

The are eight planets in the solar system

In order of their distance from the sun

All the eight planets of the solar system move around the sun in fixed path

They are called ORBITS

The earth is the third nearest planet to the sun

In the size,it is fifth largest planet.

It is slightly flattened at the poles.

Our earth has only one satellite, that is, the moon.

Its diametre is only one-quarter that of the earth.

Its is about 3,84,400 km awayfrom us.

Apart from the stars,planets and satellites,there are numerous tiny bodies which alsomove around the sun

These bodies are called asteroids.

They are found between the orbits of Mars and Jupiter.

The small pieces of rocks which move around the sun are called meteoroids.

Sometimes these these meteoroids come near the earth and tend to drop upon it

During this process due to friction with the air they get heatedup and burn