Choose your topic:

Motion in the Universe

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• Our Solar System - Our home in the universe and the bodies that exist within it

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• Orbits and Gravity - The ultimate force that allows planets and other objects to remain in orbit

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• Orbital Speed - Calculating how fast planets and moons orbit bigger objects

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Stellar Evolution

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• Stars - Their life cycle, from birth to death and beyond

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Cosmology

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•  The Big Bang and Red-shift  - This is about literally everything there is

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