Tuesday, March 1, 2011

Pluto isnt a planet anymore.

Assalamulaikum! Good Morning peeps!

This entry i would love to share my interest about our 9th planet in solar system. Our solar system is filled with a wide variety of celestial bodies example the Sun, our eight planets, dwarf planets and asteroids plus on Earth, life itself! The inner solar system is occasionally visited by comets that loop in from the outer reaches of the solar system on highly oval orbits. Still farther out, we eventually reach the limits of the heliosphere, where the outer reaches of the solar system interact with interstellar space. Solar system formation began billions of years ago, when gases and dust began to come together  and explode to form the Sun, planets and other bodies of the solar system.  

As we have been told our solar system consist of 9 planets which  Pluto was the last one, known as the smallest planet in the solar system and the ninth planet from the sun. but today, Pluto its not one of planets in our solar system anymore. In 2006, a convention of the International Astronomical Union (IAU) decided that there should be a formal definition for the word 'planet'. To be a planet, a celestial body ought to be able to possess certain characteristics. Unfortunately for Pluto, it did not get the pass marks in all the required criteria and hence was relegated to being a ' dwarf planet'. A dwarf planet orbits the sun just like other planets but it is smaller. The criteria that the IAU wanted every celestial body to meet were.
  • The body must have its orbit around the Sun.
  • It should be spherical by the merit of its own gravitational force. Meaning, its gravity should be able to pull itself into a shape which is spherical.
  • It should be the biggest, most gravitationally dominant planet in its own orbit.
The IAU ruled that Pluto doesn't qualify the third criterion and it does not qualify as a planet. So unfortunately for Pluto and its founder, Clyde W. Tombaugh, Pluto is NOT a planet. It is now officially a 'dwarf planet'.

On average, Pluto is more than 3.6 billion miles (5.8 billion kilometers) away from the sun. That is about 40 times as far from the sun as Earth. At its closest point to the sun Pluto is still billions of miles away. According to astronomers, Pluto is in a region called the Kuiper (KY-per) Belt. Thousands of small, icy objects like Pluto are in the Kuiper Belt. Pluto is slightly smaller than Earth's moon. It takes Pluto 248 years to go around the sun. One day on Pluto is about 6 1/2 days on Earth. Pluto is very, very cold. The temperature on Pluto is 375 to 400 degrees below zero. 

As a result, Pluto is covered with ice and its death planet. Pluto has about one-fifteenth the gravity of Earth. A person who weighs 100 pounds on Earth would weigh only 7 pounds on Pluto. wow that means my weight only 43kg. 'kurus betul'. huhuh! so here, we only have 8 planets in our solar system. to those who sad for their Pluto being throw out from solar system chill okay because there are many planets in the universe be discovered. wanna more info Google 'em on NASA website. do you think our sun is bigger than anything? hmm here, have a look :)



see how magnificent and huge our universe are. Fuhh credit for our creator. Alhamdullilah :) 

end.

with love,
snasryi

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