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  1. Star - Wikipedia

    A star is a luminous spheroid of plasma held together by self-gravity. [1] The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night; their immense distances from Earth …

  2. Star | Definition, Light, Names, & Facts | Britannica

    Dec 20, 2025 · A star is any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources. Of the tens of billions of trillions of stars in the observable universe, …

  3. Stars - NASA Science

    May 2, 2025 · A star’s gas provides its fuel, and its mass determines how rapidly it runs through its supply, with lower-mass stars burning longer, dimmer, and cooler than very massive stars.

  4. What Is a Star and How Does It Work? - ThoughtCo

    May 8, 2025 · 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.

  5. Fact sheet: Star - Canadian Space Agency

    A star is a giant ball of hot gas that can be compared to a huge engine – hydrogen is its primary fuel. Atoms in the core of stars join together in a physical reaction known as nuclear fusion, releasing …

  6. Star – Definition & Detailed Explanation - Sentinel Mission

    Oct 22, 2025 · Yellow Dwarf Stars: Our sun is a yellow dwarf star, with a temperature of about 5,500 degrees Celsius. These stars are medium-sized and are in the middle of the temperature range.

  7. What is a star? - Cool Cosmos

    A star is a huge sphere of very hot, glowing gas. Stars produce their own light and energy by a process called nuclear fusion. Fusion happens when lighter elements are forced to become heavier elements. …

  8. STAR Definition & Meaning - Merriam-Webster

    The meaning of STAR is a natural luminous body visible in the sky especially at night. How to use star in a sentence.

  9. Star - Simple English Wikipedia, the free encyclopedia

    The amount of material in a star (its mass) is so huge that a nuclear reaction called nuclear fusion goes on inside it. This reaction changes hydrogen to helium and gives off heat.

  10. Star - Formation, Evolution, Lifecycle | Britannica

    Dec 20, 2025 · Star - Formation, Evolution, Lifecycle: Throughout the Milky Way Galaxy (and even near the Sun itself), astronomers have discovered stars that are well evolved or even approaching …

  11. Sun - Wikipedia

    The Sun is the star at the centre of the Solar System. It is a massive plasma sphere that makes up 99.86% of the Solar System’s total mass (330,000 times that of Earth), while orbiting the Galactic …

  12. IndyStar: Indianapolis Star, Indiana news, breaking news and sports

    IndyStar provides the latest news, sports, weather, and entertainment updates for Indianapolis and Indiana residents.

  13. What Is a Star? | Scientific American

    Apr 11, 2025 · In a very broad sense, a star is simply one of those twinkling points of light you can see in the night sky. But that’s not terribly satisfying in either lexicological or physical terms.

  14. What is a Star? (article) | Stars | Khan Academy

    Where Do Stars Come From? Every star forms in a huge cloud of gas and dust. Over time, gravity causes the cloud to contract, drawing the gas closer and closer together. As more gas accumulates …

  15. What is a Star? - Universe Guide

    Dec 20, 2025 · 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.

  16. star noun - Definition, pictures, pronunciation and usage notes ...

    Definition of star noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  17. What is a Star? - AMNH

    An ordinary star is a massive sphere of luminous gas, mainly hydrogen and helium. A star’s heat and light derive from nuclear fusion in its core. During most of its life, a star is balanced between the …

  18. The Star Wars Galaxy - StarWars.com

    The official Star Wars galaxy map, featuring planets, systems, trade routes, and more, plus a link to an appendix of systems. Check back for updates from the galaxy far, far away!

  19. Evolution and classification of stars | Britannica

    star, Any massive celestial body of gas that shines by radiant energy generated inside it.

  20. READDončić, Giannis lead 1st ASG voting returnsDončić, Giannis lead …

    6 days ago · Luka Dončić, Giannis Antetokounmpo lead in 1st fan returns of NBA All-Star Voting 2026 Luka Dončić leads all players in total votes while Giannis Antetokounmpo is No. 1 overall in the East.

  21. Luxury Vacation in Ireland | Dromoland Castle, Co. Clare, Ireland

    Dromoland Lodge offers you the guaranteed seclusion, exclusivity, and personal space of a prestigious private residence, paired with full access to the Castle’s five-star amenities and magnificent 500 acre …

  22. Dromoland Castle - 5-star castle hotel in County Clare, Ireland

    Iconic 5-star castle on a picturesque 450-acre estate Dromoland Castle has been welcoming guests since the 16th century. The ancestral home of the O’Briens of Dromoland, whose lineage dates back …

  23. FDA Announces Recall of Major Grocery Brands, From Coke and Pepsi …

    5 days ago · On Dec. 26, 2025, the FDA announced a recall of hundreds of brand-name grocery items stored and shipped by Gold Star Distribution, Inc., due to potential Salmonella contamination. The …

  24. 10 best places for stargazing in Ireland - BBC Sky at Night Magazine

    Mar 17, 2023 · Armagh Planetarium holds excellent exhibitions and star shows, while nearby Armagh Observatory has an original Grubb Telescope Company refractor, as does Crawford Observatory in …

  25. Dromoland Castle Hotel, Shannon : Five Star Alliance

    Families are very welcome at this 5 star hotel in Ireland and we offer a range of services to help them feel at home while on a family holiday in Ireland. The 5 star Dromoland Castle is ideal for family …