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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 …

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

    Oct 27, 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 …

  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. Star Magazine | Celebrity News, Exclusives, Photos and Videos

    Star Magazine | Celebrity News, Exclusives, Photos and Videos

  5. 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.

  6. 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.

  7. Life Cycle of a Star: Stages, Facts, and Diagrams

    Feb 2, 2023 · Life Cycle of a Star What is a Star? A star is a giant sphere of extremely hot, luminous gas (mostly hydrogen and helium) held together by gravity. A few examples of well …

  8. Stars—facts and information | National Geographic

    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.

  9. Star - New World Encyclopedia

    The Pleiades, an open cluster of stars in the constellation of Taurus. NASA photo. A star is a massive, luminous ball of plasma that is held together by its own gravity. The nearest star to …

  10. 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 …