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the solar system consist on the sun and all the celestial bodies travelling arround it

the sun is the centre of the solar system and 8 planets go arround it.

the sun is extremely hot.

in the geocentric model the earth is the centre of the universe.

in the heliocentric model the sun is the centre of the universe.

2. planets in the solar system.

planets are spherical bodies thet moves arround the sun in anticlockwise direction.

planet do not shine ( thy dont produce their own light ).

they treflect the light from the sun

some of them are terrestial bodies that it means tht their surface is made of rock and the others ara gas giants planets it means that the surface ius made of gases.

terrestial bodies:

mercury

venus

earth

mars

gas giants:

jupiter

saturn

uranus

neptune

3. other celestial bodies

dwarf planets,small bodies,comets and asteroids