Space 0.0 / 5 ? PhysicsCosmologyA2/A-levelOCR Created by: AntoniadfCreated on: 22-04-18 15:48 Universe Everything that exists within space and time. 1 of 5 Nebulae/ Stellar nuseries A cloud of dust and gas (H) 2 of 5 Protostar A very hot, dense sphere of condensing dust and gas that is becoming a star. 3 of 5 Nuclear Fusion 2 smaller nuclei join together to form one nulceus 4 of 5 Radiation pressure Pressure from photons in core of star which act outwards to counter act pressure for gravitational attraction 5 of 5
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