Many other stars are visible to the naked eye at night Their immense distances from earth make them appear as fixed points of light. The meaning of star is a natural luminous body visible in the sky especially at night How to use star in a sentence. At the beginning of the end of a star’s life, its core runs out of hydrogen to convert into helium The energy produced by fusion creates pressure inside the star that balances gravity’s tendency to pull matter together, so the core starts to collapse.
Somewhat related to star clusters are stellar associations, which consist of loose groups of physically similar stars that have insufficient mass as a group to remain together as an organization This is a list of significant stars ordered alphabetically by the constellations in which they appear, followed by a list of significant star types. 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
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.
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