Edexcel•A-Level•Physics
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Space
Astrophysics, stellar evolution and cosmology
Practice 38 subtopics in Space. All questions match the Edexcel A-Level specification.
About Space
Space is a key topic in the Edexcel A-Level Physicsspecification. This topic covers astrophysics, stellar evolution and cosmology.
Master all 38 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 (38)
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Astronomical unit (AU)Light yearParsecStellar parallaxLuminosityIntensity and inverse square lawApparent magnitudeAbsolute magnitudeMagnitude equation: m - M = 5 log(d/10)Black body radiationWien's displacement law: λmax T = constantStefan-Boltzmann law: L = 4πr²σT⁴Stellar absorption spectraSpectral classes: O B A F G K MTemperature and spectral classHR diagram structureMain sequenceGiants and supergiantsWhite dwarfsStellar radius from HR diagramStar formation from nebulaeMain sequence lifetimeRed giant phasePlanetary nebulaeWhite dwarf formationSupernova explosionsNeutron starsBlack holesChandrasekhar limitDoppler effect for lightRed shift: z = Δλ/λz = v/c for v << cHubble's law: v = H₀dHubble constantAge of universe from H₀Big Bang theoryCosmic microwave background radiationEvidence for expanding universe
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Start with Astronomical unit (AU)