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 How did the planets and the stars form?



Stars and planets form within dense clouds of dust and gas known as nebula.

Image result for the eagle nebulae
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  The formation happens in the nebula. Gravity forces the dust and gas to bounce at high speeds into each other. This causes molecules of gas to fuse together through nuclear fusion thus creating hydrogen gas. The hydrogen then creates helium, then carbon, oxygen, calcium and iron. The energy released when the gases fuses generates heat.









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