Origin and Structure of The Earth

• Alexander Friedman • George Lemaitre Due to a random fluctuation.

Exponential expansion of the universe prior to the more gradual big bang expansion. • Flatness • Monopole • Horizon

String theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. It describes how these strings propagate through space and interact with each other.

Result of a contact of 2 hyperdimensional branes

whirlpool like motion

collision of the sun with a giant comet

a nebula begun to collapse bc of gravitational pull. as the cloud contracted it spins more rapidly.

planets were formed from the substance that were torned out of the sun

hottest part of earth

top part made out of dense rock iron and nickel

bottom part plastic like fluid

71% sedimentary and basalt rocks

29% igneous rocks

Geocentric Model

Heliocentric

named Jupiters moons

made careful observations

Laws of Planetary Motion