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The ‘Big bang theory’ describes the origins of the universe. Before there could be life on the Earth, there required to be a planet and universe to contain that life. Edwin Hubble discovered that the universe is growing. From this rate of expansion, scientists were capable to find out that the universe started from a single point of compressed gasses 15-billion years ago. The explosion of that point of compressed gas outward is the ‘Big bang theory’. From that explosion stars were formed and over time space debris and finally planets (we are talking 15-billion years here).

The ‘Primordial soup’ is the mixture of elements and gases that are thought to have started life on the Earth.

describe in detail the Miller and Urey’s experiment.

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