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How was the world made?

How was the world made?
Matthew from County Durham (Age: 5-14)


One Response

  1. HI Young Scientist :).
    The world formed from material which became available following the ‘Big Bang’. It is believed that this incident or ‘singularity’ as it is named began the creation of all materials as we know them and the history of the universe is viewed as an ever expanding balloon rather than the result of an explosion. After it’s initial appearance it apparently inflated and cooled becoming the size and temperature which we have today but continuing to expand and cool all the time. We ‘incredible creatures’ live on a unique planet which, with other planets, their moons and other ‘heavenly bodies’ encircle a beautiful star- ( which itself is among the largest 10% of stars in our universe!). There are several hundred billion other stars in our ‘galaxy’ and the whole soars through the ‘cosmos’.
    Now, when in an otherwise empty space, or ‘Outer Space’ as we call it, the structures can only influence each other by gravity – they hardly ever collide 🙂 – and the bigger / more hefty or ‘dense’ they are, the stronger is the gravitational attraction that they possess and hence their ability to dominate the outcome, a pattern appears. Thus our nearest super-massive structure, our star, the Sun, is at the centre of our ‘Solar System’ while the rest of us, smaller, lighter bodies, are orbiting it. We don’t get pulled in closer and closer because of our speeds (a bit like a conker twirled on a string -in this arrangement a lot of them on different length strings) and so our solar system is in a balanced state. Individually, the rate at which our structure spins i.e. the ‘rotational speed’ is maintained continuously. This ‘rate’ was acquired during the original formation of the solar system as the particles were drawn together by local gravitational effects to create the planets, their moons and all the other structures. A picture which represents this happening is of many skaters moving differently then all catching hold of another skater’s hand in pairs. Then all the pairs join up until everyone is held together. The final result would be that the whole group would rotate in the one direction which averaged out to become the ‘mode’. The fact that a sequence of events like this could describe the arrangement and the formation of each planet and group etc. perhaps justifies the belief in a common cause. The original angular (curved) direction of travel was created by the ‘Big Bang’ (and this time picture what happens when a spinning skater draws their arms in closer to their body), increased in rate of spin as the centre became more dense.
    There is a lot of information in this answer but I hope, taken a piece at a time, it will give an impression of why our solar system and in particular, our planet behaves as it does.
    Good luck,

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