1. Bigbang- the galaxy explode because of extreme jam between the heavenly bodies (George Lemaitre and Carl Wilhem Wirtz)
2. Steady State- states that the galaxy extends and the left fragments are the start of different heavenly bodies (Fred Hoyle)
Nebular Theory- States the all things in the solar system started with an explosion of a "solar nebula" (Emanuel Swedenberg)
4. Capture Theory- states that a proto star passed in our system which resulted into a solar tide which resulted into a disruption. The proto planets are the product of the disruption. (James Jeans)
5. Planetisimal Theory- states that everything we see in the solar system started with the collision of meteorites and planetisimals (Victor Spranov)