Geography in Solar System

  1. Galaxy -  Galaxy are large clusters of stars, gas dust etc
  2. A powerful the biggest telescope in the world- Keck Telescope in Hawaii
  3. Light years - The distances in space are very very vast and are measured in light years
  4. Andromeda  is the closest galaxy to our galaxy
  5. The Sun- is 150 km away from the Earth
  6. Sun light travels at tremendous speed it takes 8.3 minutes to reach the Earth
  7. The Surface temperature of the Sun is 6000 degree Celsius.
  8. Sun is nearly 300000 times the weight of the Earth
  9. The galaxy to which our Sun belongs is called the Akash Ganga or the Milky Way
  10. Galileo Galilei, the Italian astronomer was the first person to study the sky with a telescope
Solar System
  1. Solar System means -  The family of the Sun, eight planets and more than 150 satellites make up the solar system
  2. How many Planets are there our solar system - Mercury, Venus,Earth, Mars, Jupiter, Saturn, Uranus, Neptune 
  3. Pluto -  in 2006, The International Astronomical Union (UAU) reclassified Pluto as a dwarf planet.
  4. The word Planet is originally a Greek word which means 'Wanderer'
  5. The First four are inner planets (Mercury, Venus, Earth, Mars). Its also called Terrestrial Planets
  6. The Last four are outer planets (Jupiter, Saturn,Uranus and Neptune). Its also called Jovian Planets
  7. The Jupiter is the largest in Size of all planets
  8. Mercury has the shortest orbit around the Sun. It takes only 88 days to complete one revolution
  9. Venus it is the hottest planet. (What the reason: Sulphuric Clouds and gases that trap its heat. Venus its called for morning star, evening star, Earth twin
  10. Mars is called Red Planet
  11. Saturn look a rings arount it. These rings are made of dust particles, rock and ice.
  12. Note: Now we found rings around Uranus and Neptune
  13. Jupiter and Saturn send out strong radiations.
  14. Uranus and Venus rotate from east to west and other planets rotate from west to east.
  15. The Earth takes nearly 24 hours (actually 23 hours and 56 minutes) to complete one rotation
  16. Jupiter is much fast than other planets. It speed of 9 hours and 55 minutes.
How to easily memory of our planets lines. My Very Educated Mother Just Showed Us Nightingales

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