The sky is the space above the earth when you look at the sky during a night you find many shining object in the sky the sun the moon the stars and the planets are called heavenly bodies that because they are all in the sky on the heavens all of them around in the shape.
Solar system
The sun and the various object operating it from a system called the solar system the world solar means of the sun the eight planets of the solar system in order for increasing distance from the sun are mercury ,Venus ,Earth ,Mars, Jupiter, Saturn ,Harbans and Neptune planets revolve around the sun and have no light of their own.
Earth
Earth is one of the eight planets of the solar system the Earth is round like a ball when you stand it says horse you see the ship coming into view bit by bit first the top and the bottom This can happen only when the Earth is round Selva have also reached round the earth picture of earth taken by satellite and from the Moon also show that the Earth is shaped like a ball that is it is round in shape and slightly flat at the top to bottom.
Movement of Earth
The movement of planet around the sun is not as Revolution the earth also spin on its own axis that is it moves around it Centre techpoint this movement is called rotation some of the major event on earth like the wind weather change day and night and even difference in climate from place to place happen because of these too movement rotation and revolution.
The sun
The sun is also a star made up of every hot bases it is much nearer than the other customers in fact it is the star habit it close to us that is why it appears so big the sun gives us light and heat the planet travel around it.
The moon
You must have seen the moon shining brightly it night sometimes it is small Sushil during the day it looks small because it is far away from earth the moon has no light of its own it simply reflect the light of the Sun which makes it shining.
The stars
We start thinking in the sky space sleep at night the stars are present even in the dynamic day time but due to the strong and interest light of the Sun The are not visible the sun is also a star it is the nearest star to earth the star give out their own light all the stars are not unlike some stars are much bigger than the moon Earth and even the sun they look small because they are very far away from us they seem to temple because of the presence of the atmosphere around Earth.
Constellations
Group of stars that appear to form a pattern in the sky is called a constellation the constellation make up a different shapes just like in 8.2.4 picture Leo origin grade A separate unplug Gemini sensor and Hercules are some of the constellations.
Satellites
The heavenly bodies that go around the planet are called satellites the do not have light of their own they reflect the light of the sun the satellite may be natural or manmade the moon is the natural satellite of the earth.
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