Many other stars are visible to the naked eye at night Their immense distances from earth make them appear as fixed points of light. Of the tens of billions of trillions of stars in the observable universe, only a very small percentage are visible to the naked eye. How does a star work How do they form, live, and eventually die Learn more about these distant objects and their major importance in the universe.
These large, swelling stars are known as red giants But there are different ways a star’s life can end, and its fate depends on how massive the star is. The simplest way to describe a star is that it is a great ball of fire, but it is more complicated than that A star is a giant ball of hydrogen turning into helium through nuclear fusion. A star is a huge sphere of very hot, glowing gas Stars produce their own light and energy by a process called nuclear fusion
When this happens, a tremendous amount of energy is created causing the star to heat up and shine Stars come in a variety of sizes and colors.
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