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solar systems

 

            
             The solar system consists of an average star we call the Sun, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. It also includes the moons of these planets. The sun is located in the centre of the solar system surrounded by the other planets and their moons. These planets and moons revolve around the sun in a circular orbits .The whole solar system together with the stars is called the Milky Way.
             Planets of the Solar System:.
             Earth: .
             Earth is the fifth largest planet in the solar system. It is the third planet from the sun at a distance of about 150 million kilometres. Its name is derived from the ancient English language. It takes the Earth 365.25 days to travel around the sun and 23.9345 hours to rotate around itself. It is the only planet known to harbour life with an average surface temperature of 20°C. The Earths atmosphere consists of 78% of Nitrogen, 21% of Oxygen and 0.03% of carbon dioxide. The Earth has only one natural satellite, known as the Moon. It is the second brightest object in the sky after the sun. Earth is made up of complex, interactive systems that are often unpredictable. Air, water, land, and life - including humans - combine forces to create a constantly changing world that we are striving to understand.
             Venus: .
             Venus is the sixth largest planet in the solar system. It is the second planet from the Sun at a distance of 108,208,930 km. Venus is named after a Greek goddess of love and beauty. A Venusian day is 243 Earth days and its year is 225 Venusian days long. Venus has an average surface temperature of about 482°C. This high temperature is mostly due to its atmosphere that has large amounts of carbon dioxide. Venus has no natural satellites. Venus is usually visible to the naked eye. Sometimes it is referred to as the "morning star" or the "evening star" as it is by far the brightest star in the sky. Unlike other planets, Venus rotates from east to west.


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