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What causes a star to become a star?

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Anonymous

15y ago
Updated: 8/17/2019

a star becomes a star when enormous amounts of gases (particularly hydrogen) in outer space come together, and gravity slowly pushes the gas in on itself. eventually, there is so much pressure and heat that nuclear fusion begins to occur, causing pairs of hydrogen atoms to bind together and make helium, helium pair start to make lithium, then borillium, and so on and so forth all the way down the Periodic Table. nuclear fusion gives off enormous amounts of energy in the form of heat and light, which is why the sun gives us heat and why we can see stars.

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15y ago

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