Theories of the universe

Big bang theory

________ is the leading explanation on how the universe began.

Nebular hypothesis

________ or planetesimal theory as gas swirled around, Eddie's of gas caused the formation to run down.

Gas cloud

________gas cloud were pulled by sun's gravity, then formed into planets and moons.

Accretion theory

________ small chunks materials gradually combined and formed earth, then more chunks formed the moon.

Steady state theory

_____ it stares that the universe has been present ever since, therefore no beginning and no end.

Oscillating universe theory

______ another Bigbang will occur after the current universe starts to run down.

Fission theory

____ bursting of sun creates planets and moon.

Capture theory

_____ sun capture planets and moon that were wandering around.

Planetary collision theory

______ earth collided with other small planet that produce moon.

Stellar collision theory

_____ two stars collided and formed planets and moon.