Year 9 NSW » Science » The Big Bang and our universe » The formation

Topic : The formation

In this topic you will learn...

Chapter 1 : Steady state theory

The Steady State Theory states that although the universe is expanding, it does not change its look over time
Helium and hydrogen are the most common elements in the universe
According to the Steady State Theory quantities of hydrogen and helium in the universe are created by supernovae
The Big Bang theory suggests that all elements of the universe were produced out of nothing
The Steady State Theory has faded with the discoveries of quasars and cosmic microwave radiation

Chapter 2 : The Big Bang theory

Chapter 3 : How the Earth was formed: the layers of the Earth

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