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Published byMillicent Watson Modified over 5 years ago
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STAR FORMATION 1. Nebula forms from interstellar medium 2. Compression of nebula from supernova shock wave or passing galaxy 3. Gravity takes over, compresses nebula 4. Nebula compressed to absorption nebula (Bok globule) (Shrinks from size of Goodyear Blimp to grain of sand.) 5. Spin increases, nebula flattens into a disk 6. Nebula approaches main sequence on H-R diagram 7. Protostar forms, surrounded by disk of gas and dust 8. H-H Object forms 9. Nuclear fusion: protostar becomes a star 10. Outer gases blown away – planets form
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Test of effect
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Herbig Haro Object
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H-H Obj
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More massive star
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