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BORN OF SOLAR SYSTEM

January 05, 2013  by: Munts  Points: 8   Category: Space  Earning $0.40   Views: 493

OUR PLANET EARTH IS A PART OF A LARGER COMMUNITY. IT IS THE SOLAR SYSTEM. I AM DISCUSSING ABOUT HOW IT WAS BORNE.

         

Our planet, the earth, is a part of a much larger community. This family consists of planets, comets, asteroids, moons and a star.

PLANETS: Now, there are 8 planets in our solar system. According to the distance from sun they are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune .IAU (INTERNATIONAL ASTRONOMICAL UNION) changed the definition of planet.
The largest planet in the solar system is Jupiter, second largest is Saturn, the smallest is Mercury.
Mercury, Venus, Earth, Mars are known as TERRESTRIAL PLANETS. The rest are known as JOVIAN PLANETS. The Jovians are made of gas, while the others are rocky, small and dense.

COMETS: a comet is an icy small solar system body (SSSB) that, when close enough to the sun, displays a visible coma and sometimes also a tail.


ASTEROIDS: asteroids are rocky, airless worlds that orbit around our sun. They are too small to be called a planet. They are mainly gathered in the asteroid belt. The asteroid belt is a belt of asteroids which lies between Mars and Jupiter.

THE FORMATION: about 5 billion years ago, our solar system didn’t exist at all. Instead there was in its place a large cloud of gas and dusts called Nebula. Over millions of years, the immense gravity caused the gas and dusts to fell in the center . as matters in the cloud fell towards the center, they began to spin. The spin was caused by the basic laws of motion. Objects in space do not speed up or speed down unless their speed is changed by something else. They also don’t change their path unless their path is changed by something else. As the matters in the cloud fell towards the center, they resisted slowing down or changing their path. However, the increasing gravity in the center tries to pull the particles directly in the center. But it was not strong enough to pull them directly in, but strong enough to bend their path as a circle. As the cloud began to swirl, it also flattened out.

The center began to collect more and more matter, it became larger and larger. At the same time, smaller clumps of matter began to form throughout the disk. This smaller clumps would eventually become planets, moons, asteroids, comets etc.

As matters collect into clumps, it heat up. The more matter it collects, the heater it become. Our earth is also so hot in its core. The sun became so hot that it ignited, turning Hydrogen into Helium. Sun’s intense radiation and solar winds blew up the remaining gas and dust. Thus the solar system was borne.




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