Physics (Combined Science) · IGCSE · Edexcel · Pearson Edexcel International GCSE Science (Double Award) — Physics (Modular) — 4XSD1 · Specification point · 9.2 · Astrophysics · Motion in the universe
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| Learners should: |
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9.2 know that: • the universe is a large collection of billions of galaxies • a galaxy is a large collection of billions of stars • our solar system is in the Milky Way galaxy |