earth and lifeee (exam)
when did BigBang theory began
13.8 billion years ago
it began with massive expansion that started with a single point
Big Bang Theory
The universe keep on expanding and stretching
George Lemaitre
hot, tiny particles with light and energy
universe
notice that other galaxies were moving away from each other
Edwin Hubble
grouped together forming stars
atoms
agrees with bing bang
oscillating theory
period of expansion and contraction
oscillating theory
big crunch
oscillating theory
proponent of oscillating theory
Albert Einstein