- 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 make them appear as fixed points of light
- Star | Definition, Light, Names, Facts | Britannica
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, only a very small percentage are visible to the naked eye
- Rockford Register Star: Local News, Politics Sports in . . .
Get the latest breaking news, sports, entertainment and obituaries in Rockford, IL from Rockford Register Star
- Stars - NASA Science
Every star has its own life cycle, ranging from a few million to trillions of years, and its properties change as it ages Birth Stars form in large clouds of gas and dust called molecular clouds Molecular clouds range from 1,000 to 10 million times the mass of the Sun and can span as much as hundreds of light-years
- What Is a Star and How Does It Work? - ThoughtCo
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
- What Is a Star? | Types of Stars - Sky Telescope
A star is a luminous ball of gas, mostly hydrogen and helium, held together by its own gravity Nuclear fusion reactions in its core support the star against gravity and produce photons and heat, as well as small amounts of heavier elements
- What is a star? | Space
It's easy enough to say what a star is: one of those bright pointy things that twinkle in the night sky But the actual definition of a star is as rich and colorful as the stars themselves
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