Geography : An Introduction Part 6

Origination of Earth :- 

• First of all, copper Nikos defined the earth as a planet and informed about the rotation of around the sun and told that the orbits of planet of solar system are round. He gave the idea of Sun Central solar system for the first time.
• Greek philosopher Aristotle clay believed that the Earth is in the centre of the universe and moon sun and planets and stars are orbiting around the earth. This idea is called at the geocentric view.
• In 1766 AD, Emanuel Cant had hypothesized the Nebula in which it was shown that planet or originated in the clouds of gas moving with slow speed.
• Commotions hypothesis :- the famous bag brands of England sir gems gems and sir Herald jefferies proposed the hypothesis of commotions.
• Chamberlain had presented the planet symbol hypothesis in 1904 AD. Which was possible with the help of two big stars in which one was the sun and other word a big star. And that big star cast nearby the sun. Due to its protection force so many dust particles release from the Sun. Chamberlain told them planetsimal played a role of nucleus of future planet.
• The tidal hypothesis given by James James was propounded by the British scholar sir James in 1919 ad.
• In present days the origination of the universe is believed because of a big bang. According to that the universe was like a dance spare of hydrogen. 10 to 20 million years ago there was an explosion.
• The object elected from the Trojan port code and crystallized show the solar system of today was originated. This big girl is continuous today also and the universe is getting expanded.
• In 1942 A D, Hens Alfven  presented the electromagnetic hypothesis. He told about the magnetic field around the sun like the earth.
• In 1949 AD, buff on had given the collision hypothesis, according to which the original of the solar system was due to the collision between the sun and the other stars.
• Big Bang Theory :- 70 million years ago temperature and diameter of the universe work higher than those are today. It was in goat form of mass and energy. As it density increase the big Bell account and it resulted in the formation of star, constellations,  planet , planet etc. George lamming had proposed this idea.