Cosmic+Engine

Video: Solar System:

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Video: Geocentric model vs Heliocentric model []

Please answer the following questions on your page. **chapter revision questions**

1. Summarise in a flow chart the main advances in the development of the model of the Universe. 2. Compare and contrast geocentric and heliocentric models of the Universe. 3. (a) What was so significant about Galileo’s observations? (b) Why were these observations not made by earlier astronomers? 4. Why did geocentric models of the Universe become extremely complicated, with many spheres and epicycles? 5. Research h ow have technological advances in astronomy affected our understanding of the Universe? __**Birth of our Universe: **__ Watch the following videos and answer the following questions: []

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