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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. Sensory Processing - STAR Institute

    Dear Friend of STAR, So much of a child’s life happens beneath the surface — the unseen rhythms, sensations, and emotions that shape how they move, feel, and belong in the world.

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

    Dec 4, 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, …

  4. 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.

  5. 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.

  6. 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.

  7. 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.

  8. 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.

  9. 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. …

  10. Star Facts: The Basics of Star Names and Stellar Evolution

    Sep 26, 2022 · How are stars named? And what happens when they die? These star facts explain the science of the night sky.