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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

    6 days ago · 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? - 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. …

  5. Types of Stars | Stellar Classification, Lifecycle, and Charts

    Although main-sequence Red dwarfs are the most common stars in the universe, there are 7 main types of stars in total. Here is some information about each type of known star in our universe. Below, is a …

  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. List of Different Star Types - Star Classification & Guide

    Star classification chart & guide. Learn about all the main star types and their characteristics, including life cycle, mass, size, luminosity, temperature.

  8. 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.

  9. 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.

  10. How Do Stars Form? A Stellar Journey from Dust to Dazzle

    Oct 13, 2023 · The birth of a star is a captivating balance of gas, dust and energy. The transition from quiet cosmic particles to radiant celestial bodies is a process as intricate as it is magnificent. Read on …