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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. Physical Therapy | Louisiana | STAR Physical Therapy

    Make an appointment today at one of our New Orleans, Covington, Folsom, Slidell, Algiers, or Mandeville, LA offices and see for yourself what our therapists at STAR have to offer.

  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 …

  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. What is a Star? - Universe Guide

    4 days ago · 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 …

  7. Star – Definition & Detailed Explanation - Sentinel Mission

    Oct 22, 2025 · Main Sequence: The protostar continues to collapse until nuclear fusion begins in its core, leading to the formation of a stable star. This stage is known as the main sequence, …

  8. 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 …

  9. Covington, LA - Star Physical Therapy

    I highly recommend going to STAR for any of your physical therapy needs. I walked through the doors barely hobbling in, and I left walking strongly and proudly with a healed knee, a positive …

  10. List of largest stars - Wikipedia

    Below are lists of the largest stars currently known, ordered by radius and separated into categories by galaxy. The unit of measurement used is the radius of the Sun (approximately …