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  • Stars - NASA Science
    Stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements Every star has its own life cycle, ranging from a few million to trillions of years, and its properties change as it ages
  • Star | Definition, Light, Names, Facts | Britannica
    This article describes the properties and evolution of individual stars Included in the discussion are the sizes, energetics, temperatures, masses, and chemical compositions of stars
  • Star - Wikipedia
    Historically, stars have been important to civilizations throughout the world They have been part of religious practices, divination rituals, mythology, used for celestial navigation and orientation, to mark the passage of seasons, and to define calendars
  • Stars—facts and information | National Geographic
    Stars are huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores
  • What is a Star? Types, Life Cycle, and Fascinating Facts
    To understand stars is to understand the universe itself This article takes you deep into the heart of stellar science — from the birth of a star in vast clouds of gas and dust, to its dramatic demise as a white dwarf, neutron star, or black hole
  • The Stars - Center for Planetary Sciences
    False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth Image courtesy of NASA What are Stars? A star is a massive, luminous sphere of plasma held together by gravity The nearest star to Earth is the Sun, which is the source of most of the energy on the planet
  • Types - NASA Science
    The universe’s stars range in brightness, size, color, and behavior Some types change into others very quickly, while others stay relatively unchanged over trillions of years
  • List of proper names of stars - Wikipedia
    These names of stars that have either been approved by the International Astronomical Union or which have been in somewhat recent use IAU approval comes mostly from its Working Group on Star Names, which has been publishing a "List of IAU-approved Star Names" since 2016 As of November 2025, the list included a total of 519 proper names of




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