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Planets 1) A planet does not emit light of its own. 2) A planet does not twinkle at night. 3) The planets of our solar system are nine in number. 4) The planets are very small in size as compared to  stars  or sun. 5) The relative position of the planets keeps on changing day by day. 6) Most of planate move around the sun. 7) The  temperature  of planet depends upon its  distance  from sun. 8) The planets is made of rocks and metals. Mercury( Budha ) 1) It is the closest planate to the sun.\It lies between the sun and earth. 2) It is the hottest planate of the solar system. 3) It moves around the sun from west to east. 4) There is no water and  atmosphere . 5) It does not have any satellite. 6) The life is not possible on the planate. 7) Its mean diameter is 4820 km and its mass is 3.35 ×10 23  kg. 8) It completes one revolution around the sun in 88 days. 9) It is an inferior planet. Venus (Sukra) 1) It is the brightest pla...