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Formation Of The Solar System
Astronomers and scientists make an educated guess that the Solar System could have formed some 4.56 billions years ago, and its formation could have been caused due to the collapse of a giant molecular cloud. All the collapsed mass collected in the center and formed the sun. The remaining could have spread in the form of a disk, and then the planets, moon, asteroids and smaller objects in the Solar System could have formed. |
One of the most accepted hypotheses is the nebular hypothesis and Emanuel Swedenborg was the first person to come up with such a theory. It was only in the 1950s that the possibility of the extra solar planets was discovered. The Solar System also evolved after it was formed and several moons have formed. For instance, Jupiter has sixteen moons that revolve its orbit. Even the formation of the moons could have been a possible explanation behind their formation.
Collisions between various celestial bodies take place even today and that is why the Solar System and the universe are possibly expanding. The positions of the planets are often shifting and it is also sometime possible in the Solar System that two planets may come in their way. Collisions are actually the reason for the evolution of the Solar System. The astronomers and scientists believe that the sun will take around five billion years to cool down, and as it cools down, the sun will expand several number of times more than its present size. Then it will become a red giant star in the sky. Also, after trillions of years, the sun may be left alone with no planets revolving around it.
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