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  1. Register for STAR or update your STAR registration

    Jan 30, 2026 · We’ll review your information every year and automatically issue a STAR credit to you if you’re eligible. We’ll also use this registration to determine your eligibility for future New York State …

  2. 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 …

  3. Stars - NASA Science

    Mar 11, 2026 · After millions of years, immense pressures and temperatures in the star’s core squeeze the nuclei of hydrogen atoms together to form helium, a process called nuclear fusion. Nuclear fusion …

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

    Jan 20, 2026 · 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, …

  5. Homepage - STAR Program NYC

    Feb 23, 2026 · New JAMA Network Open study co-authored by Dr. Jessica E. Yager of the STAR Program shows innovative strategies to help people with HIV quit smoking.

  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. Stars | NASA Space Place – NASA Science for Kids

    5 days ago · explore What Is a Supernova? explore What Are Constellations? explore How Does Our Sun Compare With... explore What Is a Nebula? Glossary for "Sign Here!" words All About the Sun …

  8. What is a star? | Space

    Jan 4, 2021 · Stars are a special, unique breed — a temporary object powered by fusion. This fact makes them oddly easy to predict and understand. Learn more by listening to the episode "What is a …

  9. Stars - WorldAtlas

    Sep 21, 2024 · The star’s size, temperature, and luminosity slowly evolve when it is in its main sequence, a stage that can last millions or billions of years. Our Sun is currently in the middle of its …

  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.