Solar system2

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Solar system2

  1. 1. Our Solar System Planets
  2. 2. MercuryMercury(budh) is the planet closest to the sun. It is a dry, hotand almost airless planet. It is also the smallest planet. Thereis no atmosphere, similar to the earth’s atmosphere aroundthis planet. The light and heat of the sun,therefore,reach theside of mercury facing sun directly.This side becomes very hot.The other remains comparatively cold.
  3. 3. VenusThe next planet nearest to sun is venus (shukra).It size isnearly same as that of the earth. It receives a much largeamount of heat and light from the sun as compared to theearth. Venus has a very thick atmosphere. This reflects back alarge amount of solar energy that falls on it. Venusis,therefore,the Brightest object seen in the sky after the sunand the moon. Its thick atmosphere also traps a large amountof the solar energy reaching its surface. It is because of thistrapping that is the hottest of all the planets-hotter than evenmercury, the planet, that is closest to the sun.
  4. 4. EarthEARTH(PRITHVI)IS THE THIRD PLANET IN TERMS OFINCREASING DISTANCE FROM THE SUN.THESURFACE OF EARTH,AS SEEN BY US,APPEARS TO BEFLAT.THIS IS DUE TO ITS LARGE SIZE.FROM FAR OFFSPACE,THE EARTH APPEARS LIKE A BEAUTIFULBLUE AND GREEN SPHERICAL BALL.THIS IS DUE TOTHE REFLECTION OF SUNLIGHT FROM THE WATERAND LANDMASS PRESENT ON ITSSURFACE.BECAUSE OF THIS,THE EARTH ISSOMETIMES REFERRED AS THE BLUE PLANET
  5. 5. MarsMars(mangal)is the planet that lies beyond the earth in oursolar system. It is almost half the size of earth. Itsatmosphere is much thinner than that of the earth. It appearsto be red and we often call it as the red planet.
  6. 6. JupiterJUPITER(BRIHASPATI) IS THE FIFTH PLANET IN TERMSOF DISTANCE FROM THE SUN.IT IS THE LARGEST OFALL THE PLANETS.
  7. 7. SaturnSaturn(shani) is the sixth and the second largest planet of thesolar system. Saturn has a system of beautiful ringssurrounding it. It is,therefore,also known as the ringed planet.
  8. 8. UranusUranus(arun) is the seventh planet and also has a ring system.Uranus is also the third largest planet in the solar system anda ‘gas giant’ without any solid surface.
  9. 9. NeptuneNeptune(varun) is the eighth planet from the sun in the solarsystem. Neptune is also known as a windy planet as verystrong winds blow on its surface.
  10. 10. PROFILE OF THE PLANETS(PART 1)S NO. PLANET NAME MEAN MASS PERIOD OF DISTANCE (EARTH =1) ORBIT FROM SUN (MILLION KM) 1. MERCURY 58.3 0.06 88 days 2. VENUS 107.7 0.8 224.7 days 3. EARTH 149.6 1.0 365.24 days 4. MARS 227.3 0.1 1.88 years 5. JUPITER 777.9 317.8 11.86 years 6. SATURN 1,427.1 95.2 29.63 years 7. URANUS 2,872.3 14.5 83.97 years 8. NEPTUNE 4,502.7 17.2 164.80 years
  11. 11. PROFILE OF THE PLANETS(PART 2)S NO. PLANET NAME PERIOD OF DIAMETER MEAN SURFACE ROTATION (KM) TEMPERATURE (IN DAYS) (° C) 1. MERCURY 58.67 4,878 167 2. VENUS 243.00 12,104 457 3. EARTH 0.99 12,756 15-20 4. MARS 1.02 6,794 -90- -5 5. JUPITER 0.41 142,800 -108 6. SATURN 0.42 120,000 -139 7. URANUS 0.45 52,000 -197 8. NEPTUNE 0.67 48,400 -200

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