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    EDEXCEL GCSE Physics · Higher tier

    Astronomy — Edexcel GCSE Physics Higher Revision Notes

    Free Edexcel GCSE Physics Higher revision notes on Astronomy. Step-by-step explanations, worked examples and key terms aligned to the official specification.

    What's covered in these notes

    • The Solar System & Orbits
    • Red-Shift & The Big Bang
    • Geocentric and Heliocentric Models
    • Steady State vs Big Bang, and the Doppler Effect
    • Observing the Universe

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