Solar System

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Solar System:

By Niraj Nandish By Niraj Nandish Grade Vi-A Solar System

PictureS of Solar System:

PictureS of Solar System By Niraj Nandish


Sun The sun is at centre of the Solar System. It is a huge ball of hot, burning gases. The temperature at the centre of the sun is about 15 billion ̊C and on the surface, about 6000 ̊C. The sun has thin layer of atmosphere called corona. The sun is made up of hydrogen and helium. The hydrogen around it is constantly changing into helium and this releases heat and light energy. By Niraj Nandish


Mercury Mercury is the first planet in Solar System. It is the planet closest to the sun and the smallest planet in the Solar System. It takes only 88 days to orbit once around the sun but each day on Mercury is as long as almost two months on Earth. By Niraj Nandish


Venus Venus is the second planet in the Solar System. It is the hottest and the brightest planet in the Solar System. It is called as the Earth’s twin because it’s size, mass and density are similar to the Earth. It reflects a lot of sunlight and that is why we see it as a bright dot in the sky and it is called as the Morning Star and the Evening Star. By Niraj Nandish


Earth Earth is the third planet in the Solar System. It is a unique planet as it is the only planet where life exists. About 70% of the Earth’s surface is covered by water and the temperature is moderate enough to support life. Moon is the Earth’s only natural satellite. By Niraj Nandish


Mars Mars is the fourth planet in the Solar System. The enormous amount of rusted iron dust on it makes it look red and so it is also called the Red Planet. It’s atmosphere has a lot of carbon dioxide and a small amount of oxygen and water vapour. By Niraj Nandish


Jupiter Jupiter is the fifth planet and the biggest planet in the Solar System. It is made up of mainly hydrogen, helium and methane. It takes about 12 years to orbit around the sun. By Niraj Nandish


Saturn Saturn is sixth planet and the second largest planet in the solar system. It has rings around it which are made up of pieces of rocks and ice particles. It takes about 29 years to finish one revolution around the sun. It is mainly made up of hydrogen.   By Niraj Nandish


Uranus Uranus is the seventh planet in the Solar System. The methane gas in its atmosphere gives it a blue-green colour. It Revolves around the sun once every 84 years. By Niraj Nandish


Neptune Neptune is the eighth planet in the Solar System. There are storms and winds on Neptune. It takes about 165 years to complete an orbit around the sun. It is a lifeless, cold desert. By Niraj Nandish

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