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.

Understanding the Context

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Key Insights

What is a star? 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. 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. How does a star work?

Final Thoughts

How do they form, live, and eventually die? Learn more about these distant objects and their major importance in the universe. The meaning of STAR is a natural luminous body visible in the sky especially at night. How to use star in a sentence.