paragraph on birth of stars
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A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. ... As long as the inward force of gravity and the outward force generated by the fusion reactions are equal, the star remains stable. Clouds of gas are common in our galaxy and in other galaxies like ours.
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Stars are basically celestial objects with relatively high mass and temperature. They live their lives for billions of years. Despite being one of the most massive objects in the universe, their existence starts just as gas clouds.Stars are born when interstellar gases are compressed in a point of area in space. The gravity from the surrounding nothingness of space compresses the dense parts of the gas clouds, forming a core. Once the core is formed, fusion begins, and a star is formed.
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