Edexcel•GCSE•Physics
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Astronomy
Solar system, life cycle of stars, red-shift and the expanding universe
Practice 37 subtopics in Astronomy. All questions match the Edexcel GCSE specification.
About Astronomy
Astronomy is a key topic in the Edexcel GCSE Physicsspecification. This topic covers solar system, life cycle of stars, red-shift and the expanding universe.
Master all 37 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (37)
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Structure of the solar systemThe Sun as a starPlanets (inner rocky, outer gas giants)Dwarf planetsMoons (natural satellites)AsteroidsCometsOrbital motion and gravityGravitational field strength on different bodiesg values for different planetsCircular orbitsRelationship between orbital speed and radiusRelationship between orbital period and radiusNebula (gas and dust cloud)Protostar formationMain sequence starNuclear fusion of hydrogenBalance of forces (gravitational vs radiation pressure)Red giant stage (Sun-like stars)Planetary nebulaWhite dwarfRed supergiant (massive stars)SupernovaNeutron starBlack holeHeavy element formation in supernovaeDoppler effect for soundRed-shift of light from galaxiesBlue-shift for approaching objectsRed-shift as evidence for expanding universeGreater distance = greater red-shiftHubble's law (v = Hd) (H)Big Bang theoryCosmic microwave background radiation (CMBR)CMBR as evidence for Big BangAge of the universeDark matter and dark energy (H)
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